7839125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 12260352

約数和(自身を除く): 4421227

約数列:

[1, 5, 7, 17, 25, 31, 35, 85, 119, 125, 155, 175, 217, 289, 425, 527, 595, 775, 875, 1085, 1445, 2023, 2125, 2635, 2975, 3689, 3875, 5425, 7225, 8959, 10115, 13175, 14875, 18445, 27125, 36125, 44795, 50575, 62713, 65875, 92225, 223975, 252875, 313565, 461125, 1119875, 1567825, 7839125]

約数ペア:

[(1, 7839125), (5, 1567825), (7, 1119875), (17, 461125), (25, 313565), (31, 252875), (35, 223975), (85, 92225), (119, 65875), (125, 62713), (155, 50575), (175, 44795), (217, 36125), (289, 27125), (425, 18445), (527, 14875), (595, 13175), (775, 10115), (875, 8959), (1085, 7225), (1445, 5425), (2023, 3875), (2125, 3689), (2635, 2975)]