71203125

素因数分解:

$3^1\times 5^6\times 7^2\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 84

約数和(自身を含む): 142498176

約数和(自身を除く): 71295051

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 49, 75, 93, 105, 125, 147, 155, 175, 217, 245, 375, 465, 525, 625, 651, 735, 775, 875, 1085, 1225, 1519, 1875, 2325, 2625, 3125, 3255, 3675, 3875, 4375, 4557, 5425, 6125, 7595, 9375, 11625, 13125, 15625, 16275, 18375, 19375, 21875, 22785, 27125, 30625, 37975, 46875, 58125, 65625, 81375, 91875, 96875, 109375, 113925, 135625, 153125, 189875, 290625, 328125, 406875, 459375, 484375, 569625, 678125, 765625, 949375, 1453125, 2034375, 2296875, 2848125, 3390625, 4746875, 10171875, 14240625, 23734375, 71203125]

約数ペア:

[(1, 71203125), (3, 23734375), (5, 14240625), (7, 10171875), (15, 4746875), (21, 3390625), (25, 2848125), (31, 2296875), (35, 2034375), (49, 1453125), (75, 949375), (93, 765625), (105, 678125), (125, 569625), (147, 484375), (155, 459375), (175, 406875), (217, 328125), (245, 290625), (375, 189875), (465, 153125), (525, 135625), (625, 113925), (651, 109375), (735, 96875), (775, 91875), (875, 81375), (1085, 65625), (1225, 58125), (1519, 46875), (1875, 37975), (2325, 30625), (2625, 27125), (3125, 22785), (3255, 21875), (3675, 19375), (3875, 18375), (4375, 16275), (4557, 15625), (5425, 13125), (6125, 11625), (7595, 9375)]