7138305

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 13090896

約数和(自身を除く): 5952591

約数列:

[1, 3, 5, 9, 15, 41, 45, 53, 73, 123, 159, 205, 219, 265, 365, 369, 477, 615, 657, 795, 1095, 1845, 2173, 2385, 2993, 3285, 3869, 6519, 8979, 10865, 11607, 14965, 19345, 19557, 26937, 32595, 34821, 44895, 58035, 97785, 134685, 158629, 174105, 475887, 793145, 1427661, 2379435, 7138305]

約数ペア:

[(1, 7138305), (3, 2379435), (5, 1427661), (9, 793145), (15, 475887), (41, 174105), (45, 158629), (53, 134685), (73, 97785), (123, 58035), (159, 44895), (205, 34821), (219, 32595), (265, 26937), (365, 19557), (369, 19345), (477, 14965), (615, 11607), (657, 10865), (795, 8979), (1095, 6519), (1845, 3869), (2173, 3285), (2385, 2993)]