15193503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 9966177

約数列:

[1, 3, 9, 13, 31, 39, 59, 71, 93, 117, 177, 213, 279, 403, 531, 639, 767, 923, 1209, 1829, 2201, 2301, 2769, 3627, 4189, 5487, 6603, 6903, 8307, 12567, 16461, 19809, 23777, 28613, 37701, 54457, 71331, 85839, 129859, 163371, 213993, 257517, 389577, 490113, 1168731, 1688167, 5064501, 15193503]

約数ペア:

[(1, 15193503), (3, 5064501), (9, 1688167), (13, 1168731), (31, 490113), (39, 389577), (59, 257517), (71, 213993), (93, 163371), (117, 129859), (177, 85839), (213, 71331), (279, 54457), (403, 37701), (531, 28613), (639, 23777), (767, 19809), (923, 16461), (1209, 12567), (1829, 8307), (2201, 6903), (2301, 6603), (2769, 5487), (3627, 4189)]