211342491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{20261}}^1$

素因数の和:20347

約数の個数: 24

約数和(自身を含む): 326623440

約数和(自身を除く): 115280949

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 3477, 10431, 20261, 60783, 182349, 384959, 1154877, 1235921, 3464631, 3707763, 11123289, 23482499, 70447497, 211342491]

約数ペア:

[(1, 211342491), (3, 70447497), (9, 23482499), (19, 11123289), (57, 3707763), (61, 3464631), (171, 1235921), (183, 1154877), (549, 384959), (1159, 182349), (3477, 60783), (10431, 20261)]