68947875

素因数分解:

$3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 131788800

約数和(自身を除く): 62840925

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 125, 135, 155, 225, 279, 375, 465, 659, 675, 775, 837, 1125, 1395, 1977, 2325, 3295, 3375, 3875, 4185, 5931, 6975, 9885, 11625, 16475, 17793, 20429, 20925, 29655, 34875, 49425, 61287, 82375, 88965, 102145, 104625, 148275, 183861, 247125, 306435, 444825, 510725, 551583, 741375, 919305, 1532175, 2224125, 2553625, 2757915, 4596525, 7660875, 13789575, 22982625, 68947875]

約数ペア:

[(1, 68947875), (3, 22982625), (5, 13789575), (9, 7660875), (15, 4596525), (25, 2757915), (27, 2553625), (31, 2224125), (45, 1532175), (75, 919305), (93, 741375), (125, 551583), (135, 510725), (155, 444825), (225, 306435), (279, 247125), (375, 183861), (465, 148275), (659, 104625), (675, 102145), (775, 88965), (837, 82375), (1125, 61287), (1395, 49425), (1977, 34875), (2325, 29655), (3295, 20925), (3375, 20429), (3875, 17793), (4185, 16475), (5931, 11625), (6975, 9885)]