216181503

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{2351}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 331321536

約数和(自身を除く): 115140033

約数列:

[1, 3, 9, 17, 51, 153, 601, 1803, 2351, 5409, 7053, 10217, 21159, 30651, 39967, 91953, 119901, 359703, 1412951, 4238853, 12716559, 24020167, 72060501, 216181503]

約数ペア:

[(1, 216181503), (3, 72060501), (9, 24020167), (17, 12716559), (51, 4238853), (153, 1412951), (601, 359703), (1803, 119901), (2351, 91953), (5409, 39967), (7053, 30651), (10217, 21159)]