7972575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 15521328

約数和(自身を除く): 7548753

約数列:

[1, 3, 5, 13, 15, 17, 25, 37, 39, 51, 65, 75, 85, 111, 169, 185, 195, 221, 255, 325, 425, 481, 507, 555, 629, 663, 845, 925, 975, 1105, 1275, 1443, 1887, 2405, 2535, 2775, 2873, 3145, 3315, 4225, 5525, 6253, 7215, 8177, 8619, 9435, 12025, 12675, 14365, 15725, 16575, 18759, 24531, 31265, 36075, 40885, 43095, 47175, 71825, 93795, 106301, 122655, 156325, 204425, 215475, 318903, 468975, 531505, 613275, 1594515, 2657525, 7972575]

約数ペア:

[(1, 7972575), (3, 2657525), (5, 1594515), (13, 613275), (15, 531505), (17, 468975), (25, 318903), (37, 215475), (39, 204425), (51, 156325), (65, 122655), (75, 106301), (85, 93795), (111, 71825), (169, 47175), (185, 43095), (195, 40885), (221, 36075), (255, 31265), (325, 24531), (425, 18759), (481, 16575), (507, 15725), (555, 14365), (629, 12675), (663, 12025), (845, 9435), (925, 8619), (975, 8177), (1105, 7215), (1275, 6253), (1443, 5525), (1887, 4225), (2405, 3315), (2535, 3145), (2775, 2873)]