7750005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 13271040

約数和(自身を除く): 5521035

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 383, 1065, 1149, 1349, 1915, 4047, 5745, 6745, 7277, 20235, 21831, 27193, 36385, 81579, 109155, 135965, 407895, 516667, 1550001, 2583335, 7750005]

約数ペア:

[(1, 7750005), (3, 2583335), (5, 1550001), (15, 516667), (19, 407895), (57, 135965), (71, 109155), (95, 81579), (213, 36385), (285, 27193), (355, 21831), (383, 20235), (1065, 7277), (1149, 6745), (1349, 5745), (1915, 4047)]