8251425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 108

約数和(自身を含む): 18879744

約数和(自身を除く): 10628319

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 31, 35, 39, 45, 63, 65, 75, 91, 93, 105, 117, 155, 169, 175, 195, 217, 225, 273, 279, 315, 325, 403, 455, 465, 507, 525, 585, 651, 775, 819, 845, 975, 1085, 1183, 1209, 1365, 1395, 1521, 1575, 1953, 2015, 2275, 2325, 2535, 2821, 2925, 3255, 3549, 3627, 4095, 4225, 5239, 5425, 5915, 6045, 6825, 6975, 7605, 8463, 9765, 10075, 10647, 12675, 14105, 15717, 16275, 17745, 18135, 20475, 25389, 26195, 29575, 30225, 36673, 38025, 42315, 47151, 48825, 53235, 70525, 78585, 88725, 90675, 110019, 126945, 130975, 183365, 211575, 235755, 266175, 330057, 392925, 550095, 634725, 916825, 1178775, 1650285, 2750475, 8251425]

約数ペア:

[(1, 8251425), (3, 2750475), (5, 1650285), (7, 1178775), (9, 916825), (13, 634725), (15, 550095), (21, 392925), (25, 330057), (31, 266175), (35, 235755), (39, 211575), (45, 183365), (63, 130975), (65, 126945), (75, 110019), (91, 90675), (93, 88725), (105, 78585), (117, 70525), (155, 53235), (169, 48825), (175, 47151), (195, 42315), (217, 38025), (225, 36673), (273, 30225), (279, 29575), (315, 26195), (325, 25389), (403, 20475), (455, 18135), (465, 17745), (507, 16275), (525, 15717), (585, 14105), (651, 12675), (775, 10647), (819, 10075), (845, 9765), (975, 8463), (1085, 7605), (1183, 6975), (1209, 6825), (1365, 6045), (1395, 5915), (1521, 5425), (1575, 5239), (1953, 4225), (2015, 4095), (2275, 3627), (2325, 3549), (2535, 3255), (2821, 2925)]