15517515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 29417472

約数和(自身を除く): 13899957

約数列:

[1, 3, 5, 13, 15, 17, 31, 39, 51, 65, 85, 93, 151, 155, 195, 221, 255, 403, 453, 465, 527, 663, 755, 1105, 1209, 1581, 1963, 2015, 2265, 2567, 2635, 3315, 4681, 5889, 6045, 6851, 7701, 7905, 9815, 12835, 14043, 20553, 23405, 29445, 33371, 34255, 38505, 60853, 70215, 79577, 100113, 102765, 166855, 182559, 238731, 304265, 397885, 500565, 912795, 1034501, 1193655, 3103503, 5172505, 15517515]

約数ペア:

[(1, 15517515), (3, 5172505), (5, 3103503), (13, 1193655), (15, 1034501), (17, 912795), (31, 500565), (39, 397885), (51, 304265), (65, 238731), (85, 182559), (93, 166855), (151, 102765), (155, 100113), (195, 79577), (221, 70215), (255, 60853), (403, 38505), (453, 34255), (465, 33371), (527, 29445), (663, 23405), (755, 20553), (1105, 14043), (1209, 12835), (1581, 9815), (1963, 7905), (2015, 7701), (2265, 6851), (2567, 6045), (2635, 5889), (3315, 4681)]