28858492089

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 49493283840

約数和(自身を除く): 20634791751

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 139, 173, 301, 387, 417, 443, 519, 903, 973, 1211, 1251, 1329, 1557, 2709, 2919, 3101, 3633, 3987, 5977, 7439, 8757, 9303, 10899, 17931, 19049, 22317, 24047, 27909, 41839, 52073, 53793, 57147, 61577, 66951, 72141, 76639, 125517, 133343, 156219, 168329, 171441, 184731, 216423, 229917, 376551, 400029, 431039, 468657, 504987, 536473, 554193, 689751, 1034021, 1200087, 1293117, 1514961, 1609419, 2647811, 3102063, 3295477, 3879351, 4828257, 7238147, 7943433, 9306189, 9886431, 10652821, 18534677, 21714441, 23068339, 23830299, 29659293, 31958463, 55604031, 65143323, 69205017, 74569747, 95875389, 166812093, 207615051, 223709241, 458071303, 671127723, 1374213909, 3206499121, 4122641727, 9619497363, 28858492089]

約数ペア:

[(1, 28858492089), (3, 9619497363), (7, 4122641727), (9, 3206499121), (21, 1374213909), (43, 671127723), (63, 458071303), (129, 223709241), (139, 207615051), (173, 166812093), (301, 95875389), (387, 74569747), (417, 69205017), (443, 65143323), (519, 55604031), (903, 31958463), (973, 29659293), (1211, 23830299), (1251, 23068339), (1329, 21714441), (1557, 18534677), (2709, 10652821), (2919, 9886431), (3101, 9306189), (3633, 7943433), (3987, 7238147), (5977, 4828257), (7439, 3879351), (8757, 3295477), (9303, 3102063), (10899, 2647811), (17931, 1609419), (19049, 1514961), (22317, 1293117), (24047, 1200087), (27909, 1034021), (41839, 689751), (52073, 554193), (53793, 536473), (57147, 504987), (61577, 468657), (66951, 431039), (72141, 400029), (76639, 376551), (125517, 229917), (133343, 216423), (156219, 184731), (168329, 171441)]