2197125

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 80

約数和(自身を含む): 4832256

約数和(自身を除く): 2635131

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 81, 93, 105, 125, 135, 155, 175, 189, 217, 225, 279, 315, 375, 405, 465, 525, 567, 651, 675, 775, 837, 875, 945, 1085, 1125, 1395, 1575, 1953, 2025, 2325, 2511, 2625, 2835, 3255, 3375, 3875, 4185, 4725, 5425, 5859, 6975, 7875, 9765, 10125, 11625, 12555, 14175, 16275, 17577, 20925, 23625, 27125, 29295, 34875, 48825, 62775, 70875, 81375, 87885, 104625, 146475, 244125, 313875, 439425, 732375, 2197125]

約数ペア:

[(1, 2197125), (3, 732375), (5, 439425), (7, 313875), (9, 244125), (15, 146475), (21, 104625), (25, 87885), (27, 81375), (31, 70875), (35, 62775), (45, 48825), (63, 34875), (75, 29295), (81, 27125), (93, 23625), (105, 20925), (125, 17577), (135, 16275), (155, 14175), (175, 12555), (189, 11625), (217, 10125), (225, 9765), (279, 7875), (315, 6975), (375, 5859), (405, 5425), (465, 4725), (525, 4185), (567, 3875), (651, 3375), (675, 3255), (775, 2835), (837, 2625), (875, 2511), (945, 2325), (1085, 2025), (1125, 1953), (1395, 1575)]