201218895

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{25847}}^1$

素因数の和:26031

約数の個数: 24

約数和(自身を含む): 350809056

約数和(自身を除く): 149590161

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 25847, 77541, 129235, 232623, 387705, 1163115, 4471531, 13414593, 22357655, 40243779, 67072965, 201218895]

約数ペア:

[(1, 201218895), (3, 67072965), (5, 40243779), (9, 22357655), (15, 13414593), (45, 4471531), (173, 1163115), (519, 387705), (865, 232623), (1557, 129235), (2595, 77541), (7785, 25847)]