51284025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 100540440

約数和(自身を除く): 49256415

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 89, 117, 195, 197, 225, 267, 325, 445, 585, 591, 801, 975, 985, 1157, 1335, 1773, 2225, 2561, 2925, 2955, 3471, 4005, 4925, 5785, 6675, 7683, 8865, 10413, 12805, 14775, 17355, 17533, 20025, 23049, 28925, 38415, 44325, 52065, 52599, 64025, 86775, 87665, 115245, 157797, 192075, 227929, 260325, 262995, 438325, 576225, 683787, 788985, 1139645, 1314975, 2051361, 3418935, 3944925, 5698225, 10256805, 17094675, 51284025]

約数ペア:

[(1, 51284025), (3, 17094675), (5, 10256805), (9, 5698225), (13, 3944925), (15, 3418935), (25, 2051361), (39, 1314975), (45, 1139645), (65, 788985), (75, 683787), (89, 576225), (117, 438325), (195, 262995), (197, 260325), (225, 227929), (267, 192075), (325, 157797), (445, 115245), (585, 87665), (591, 86775), (801, 64025), (975, 52599), (985, 52065), (1157, 44325), (1335, 38415), (1773, 28925), (2225, 23049), (2561, 20025), (2925, 17533), (2955, 17355), (3471, 14775), (4005, 12805), (4925, 10413), (5785, 8865), (6675, 7683)]