31959225

素因数分解:

$3^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 59371200

約数和(自身を除く): 27411975

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 135, 225, 339, 419, 565, 675, 1017, 1257, 1695, 2095, 2825, 3051, 3771, 5085, 6285, 8475, 10475, 11313, 15255, 18855, 25425, 31425, 47347, 56565, 76275, 94275, 142041, 236735, 282825, 426123, 710205, 1183675, 1278369, 2130615, 3551025, 6391845, 10653075, 31959225]

約数ペア:

[(1, 31959225), (3, 10653075), (5, 6391845), (9, 3551025), (15, 2130615), (25, 1278369), (27, 1183675), (45, 710205), (75, 426123), (113, 282825), (135, 236735), (225, 142041), (339, 94275), (419, 76275), (565, 56565), (675, 47347), (1017, 31425), (1257, 25425), (1695, 18855), (2095, 15255), (2825, 11313), (3051, 10475), (3771, 8475), (5085, 6285)]