40197855

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 66981888

約数和(自身を除く): 26784033

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 631, 685, 1893, 2055, 3155, 4247, 9465, 12741, 19561, 21235, 58683, 63705, 86447, 97805, 259341, 293415, 432235, 1296705, 2679857, 8039571, 13399285, 40197855]

約数ペア:

[(1, 40197855), (3, 13399285), (5, 8039571), (15, 2679857), (31, 1296705), (93, 432235), (137, 293415), (155, 259341), (411, 97805), (465, 86447), (631, 63705), (685, 58683), (1893, 21235), (2055, 19561), (3155, 12741), (4247, 9465)]