2490081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 3684288

約数和(自身を除く): 1194207

約数列:

[1, 3, 11, 33, 61, 183, 671, 1237, 2013, 3711, 13607, 40821, 75457, 226371, 830027, 2490081]

約数ペア:

[(1, 2490081), (3, 830027), (11, 226371), (33, 75457), (61, 40821), (183, 13607), (671, 3711), (1237, 2013)]