206880921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{18229}}^1$

素因数の和:18345

約数の個数: 24

約数和(自身を含む): 325150280

約数和(自身を除く): 118269359

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 3783, 11349, 18229, 54687, 164061, 236977, 710931, 1768213, 2132793, 5304639, 15913917, 22986769, 68960307, 206880921]

約数ペア:

[(1, 206880921), (3, 68960307), (9, 22986769), (13, 15913917), (39, 5304639), (97, 2132793), (117, 1768213), (291, 710931), (873, 236977), (1261, 164061), (3783, 54687), (11349, 18229)]