257700675

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 442511360

約数和(自身を除く): 184810685

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 271, 409, 465, 775, 813, 1227, 1355, 2045, 2325, 4065, 6135, 6775, 8401, 10225, 12679, 20325, 25203, 30675, 38037, 42005, 63395, 110839, 126015, 190185, 210025, 316975, 332517, 554195, 630075, 950925, 1662585, 2770975, 3436009, 8312925, 10308027, 17180045, 51540135, 85900225, 257700675]

約数ペア:

[(1, 257700675), (3, 85900225), (5, 51540135), (15, 17180045), (25, 10308027), (31, 8312925), (75, 3436009), (93, 2770975), (155, 1662585), (271, 950925), (409, 630075), (465, 554195), (775, 332517), (813, 316975), (1227, 210025), (1355, 190185), (2045, 126015), (2325, 110839), (4065, 63395), (6135, 42005), (6775, 38037), (8401, 30675), (10225, 25203), (12679, 20325)]