56137575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 103838592

約数和(自身を除く): 47701017

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 103, 129, 169, 195, 215, 309, 325, 507, 515, 559, 645, 845, 975, 1075, 1339, 1545, 1677, 2535, 2575, 2795, 3225, 4017, 4225, 4429, 6695, 7267, 7725, 8385, 12675, 13287, 13975, 17407, 20085, 21801, 22145, 33475, 36335, 41925, 52221, 57577, 66435, 87035, 100425, 109005, 110725, 172731, 181675, 261105, 287885, 332175, 435175, 545025, 748501, 863655, 1305525, 1439425, 2245503, 3742505, 4318275, 11227515, 18712525, 56137575]

約数ペア:

[(1, 56137575), (3, 18712525), (5, 11227515), (13, 4318275), (15, 3742505), (25, 2245503), (39, 1439425), (43, 1305525), (65, 863655), (75, 748501), (103, 545025), (129, 435175), (169, 332175), (195, 287885), (215, 261105), (309, 181675), (325, 172731), (507, 110725), (515, 109005), (559, 100425), (645, 87035), (845, 66435), (975, 57577), (1075, 52221), (1339, 41925), (1545, 36335), (1677, 33475), (2535, 22145), (2575, 21801), (2795, 20085), (3225, 17407), (4017, 13975), (4225, 13287), (4429, 12675), (6695, 8385), (7267, 7725)]