2778265725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{7331}}^1$

素因数の和:7538

約数の個数: 48

約数和(自身を含む): 4771313664

約数和(自身を除く): 1993047939

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 163, 465, 489, 775, 815, 2325, 2445, 4075, 5053, 7331, 12225, 15159, 21993, 25265, 36655, 75795, 109965, 126325, 183275, 227261, 378975, 549825, 681783, 1136305, 1194953, 3408915, 3584859, 5681525, 5974765, 17044575, 17924295, 29873825, 37043543, 89621475, 111130629, 185217715, 555653145, 926088575, 2778265725]

約数ペア:

[(1, 2778265725), (3, 926088575), (5, 555653145), (15, 185217715), (25, 111130629), (31, 89621475), (75, 37043543), (93, 29873825), (155, 17924295), (163, 17044575), (465, 5974765), (489, 5681525), (775, 3584859), (815, 3408915), (2325, 1194953), (2445, 1136305), (4075, 681783), (5053, 549825), (7331, 378975), (12225, 227261), (15159, 183275), (21993, 126325), (25265, 109965), (36655, 75795)]