9918855

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 18730800

約数和(自身を除く): 8811945

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1289, 1539, 2565, 3867, 6445, 7695, 11601, 19335, 24491, 34803, 58005, 73473, 104409, 122455, 174015, 220419, 367365, 522045, 661257, 1102095, 1983771, 3306285, 9918855]

約数ペア:

[(1, 9918855), (3, 3306285), (5, 1983771), (9, 1102095), (15, 661257), (19, 522045), (27, 367365), (45, 220419), (57, 174015), (81, 122455), (95, 104409), (135, 73473), (171, 58005), (285, 34803), (405, 24491), (513, 19335), (855, 11601), (1289, 7695), (1539, 6445), (2565, 3867)]