215162325

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 120

約数和(自身を含む): 467404608

約数和(自身を除く): 252242283

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 43, 45, 63, 75, 81, 105, 129, 135, 175, 189, 215, 225, 301, 315, 353, 387, 405, 525, 567, 645, 675, 903, 945, 1059, 1075, 1161, 1505, 1575, 1765, 1935, 2025, 2471, 2709, 2835, 3177, 3225, 3483, 4515, 4725, 5295, 5805, 7413, 7525, 8127, 8825, 9531, 9675, 12355, 13545, 14175, 15179, 15885, 17415, 22239, 22575, 24381, 26475, 28593, 29025, 37065, 40635, 45537, 47655, 61775, 66717, 67725, 75895, 79425, 87075, 106253, 111195, 121905, 136611, 142965, 185325, 200151, 203175, 227685, 238275, 318759, 333585, 379475, 409833, 531265, 555975, 609525, 683055, 714825, 956277, 1000755, 1138425, 1229499, 1593795, 1667925, 2049165, 2656325, 2868831, 3415275, 4781385, 5003775, 6147495, 7968975, 8606493, 10245825, 14344155, 23906925, 30737475, 43032465, 71720775, 215162325]

約数ペア:

[(1, 215162325), (3, 71720775), (5, 43032465), (7, 30737475), (9, 23906925), (15, 14344155), (21, 10245825), (25, 8606493), (27, 7968975), (35, 6147495), (43, 5003775), (45, 4781385), (63, 3415275), (75, 2868831), (81, 2656325), (105, 2049165), (129, 1667925), (135, 1593795), (175, 1229499), (189, 1138425), (215, 1000755), (225, 956277), (301, 714825), (315, 683055), (353, 609525), (387, 555975), (405, 531265), (525, 409833), (567, 379475), (645, 333585), (675, 318759), (903, 238275), (945, 227685), (1059, 203175), (1075, 200151), (1161, 185325), (1505, 142965), (1575, 136611), (1765, 121905), (1935, 111195), (2025, 106253), (2471, 87075), (2709, 79425), (2835, 75895), (3177, 67725), (3225, 66717), (3483, 61775), (4515, 47655), (4725, 45537), (5295, 40635), (5805, 37065), (7413, 29025), (7525, 28593), (8127, 26475), (8825, 24381), (9531, 22575), (9675, 22239), (12355, 17415), (13545, 15885), (14175, 15179)]