1981365

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4300

約数の個数: 16

約数和(自身を含む): 3273216

約数和(自身を除く): 1291851

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 4261, 12783, 21305, 63915, 132091, 396273, 660455, 1981365]

約数ペア:

[(1, 1981365), (3, 660455), (5, 396273), (15, 132091), (31, 63915), (93, 21305), (155, 12783), (465, 4261)]