39761775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 76602240

約数和(自身を除く): 36840465

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 131, 171, 213, 225, 285, 355, 393, 475, 639, 655, 855, 1065, 1179, 1349, 1425, 1775, 1965, 2489, 3195, 3275, 4047, 4275, 5325, 5895, 6745, 7467, 9301, 9825, 12141, 12445, 15975, 20235, 22401, 27903, 29475, 33725, 37335, 46505, 60705, 62225, 83709, 101175, 112005, 139515, 176719, 186675, 232525, 303525, 418545, 530157, 560025, 697575, 883595, 1590471, 2092725, 2650785, 4417975, 7952355, 13253925, 39761775]

約数ペア:

[(1, 39761775), (3, 13253925), (5, 7952355), (9, 4417975), (15, 2650785), (19, 2092725), (25, 1590471), (45, 883595), (57, 697575), (71, 560025), (75, 530157), (95, 418545), (131, 303525), (171, 232525), (213, 186675), (225, 176719), (285, 139515), (355, 112005), (393, 101175), (475, 83709), (639, 62225), (655, 60705), (855, 46505), (1065, 37335), (1179, 33725), (1349, 29475), (1425, 27903), (1775, 22401), (1965, 20235), (2489, 15975), (3195, 12445), (3275, 12141), (4047, 9825), (4275, 9301), (5325, 7467), (5895, 6745)]