7405155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 13862400

約数和(自身を除く): 6457245

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 2887, 8661, 14435, 25983, 43305, 54853, 77949, 129915, 164559, 274265, 389745, 493677, 822795, 1481031, 2468385, 7405155]

約数ペア:

[(1, 7405155), (3, 2468385), (5, 1481031), (9, 822795), (15, 493677), (19, 389745), (27, 274265), (45, 164559), (57, 129915), (95, 77949), (135, 54853), (171, 43305), (285, 25983), (513, 14435), (855, 8661), (2565, 2887)]