15209569179

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1635

約数の個数: 120

約数和(自身を含む): 28040443200

約数和(自身を除く): 12830874021

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 139, 147, 171, 189, 399, 417, 441, 513, 567, 931, 973, 1197, 1251, 1323, 1451, 1539, 2641, 2793, 2919, 3591, 3753, 3969, 4353, 6811, 7923, 8379, 8757, 10157, 10773, 11259, 13059, 18487, 20433, 23769, 25137, 26271, 27569, 30471, 39177, 55461, 61299, 71099, 71307, 75411, 78813, 82707, 91413, 117531, 129409, 166383, 183897, 192983, 201689, 213297, 213921, 248121, 274239, 388227, 499149, 551691, 578949, 605067, 639891, 744363, 822717, 1164681, 1350881, 1411823, 1497447, 1736847, 1815201, 1919673, 2233089, 3494043, 3832091, 4052643, 4235469, 5210541, 5445603, 5759019, 9882761, 10482129, 11496273, 12157929, 12706407, 15631623, 16336809, 26824637, 29648283, 34488819, 36473787, 38119221, 80473911, 88944849, 103466457, 109421361, 114357663, 187772459, 241421733, 266834547, 310399371, 563317377, 724265199, 800503641, 1689952131, 2172795597, 5069856393, 15209569179]

約数ペア:

[(1, 15209569179), (3, 5069856393), (7, 2172795597), (9, 1689952131), (19, 800503641), (21, 724265199), (27, 563317377), (49, 310399371), (57, 266834547), (63, 241421733), (81, 187772459), (133, 114357663), (139, 109421361), (147, 103466457), (171, 88944849), (189, 80473911), (399, 38119221), (417, 36473787), (441, 34488819), (513, 29648283), (567, 26824637), (931, 16336809), (973, 15631623), (1197, 12706407), (1251, 12157929), (1323, 11496273), (1451, 10482129), (1539, 9882761), (2641, 5759019), (2793, 5445603), (2919, 5210541), (3591, 4235469), (3753, 4052643), (3969, 3832091), (4353, 3494043), (6811, 2233089), (7923, 1919673), (8379, 1815201), (8757, 1736847), (10157, 1497447), (10773, 1411823), (11259, 1350881), (13059, 1164681), (18487, 822717), (20433, 744363), (23769, 639891), (25137, 605067), (26271, 578949), (27569, 551691), (30471, 499149), (39177, 388227), (55461, 274239), (61299, 248121), (71099, 213921), (71307, 213297), (75411, 201689), (78813, 192983), (82707, 183897), (91413, 166383), (117531, 129409)]