2551185

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 5601960

約数和(自身を除く): 3050775

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 89, 91, 105, 117, 147, 195, 245, 267, 273, 315, 441, 445, 455, 585, 623, 637, 735, 801, 819, 1157, 1335, 1365, 1869, 1911, 2205, 3115, 3185, 3471, 4005, 4095, 4361, 5607, 5733, 5785, 8099, 9345, 9555, 10413, 13083, 17355, 21805, 24297, 28035, 28665, 39249, 40495, 52065, 56693, 65415, 72891, 121485, 170079, 196245, 283465, 364455, 510237, 850395, 2551185]

約数ペア:

[(1, 2551185), (3, 850395), (5, 510237), (7, 364455), (9, 283465), (13, 196245), (15, 170079), (21, 121485), (35, 72891), (39, 65415), (45, 56693), (49, 52065), (63, 40495), (65, 39249), (89, 28665), (91, 28035), (105, 24297), (117, 21805), (147, 17355), (195, 13083), (245, 10413), (267, 9555), (273, 9345), (315, 8099), (441, 5785), (445, 5733), (455, 5607), (585, 4361), (623, 4095), (637, 4005), (735, 3471), (801, 3185), (819, 3115), (1157, 2205), (1335, 1911), (1365, 1869)]