201721839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{77377}}^1$

素因数の和:77470

約数の個数: 16

約数和(自身を含む): 297131520

約数和(自身を除く): 95409681

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 77377, 232131, 851147, 2553441, 6112783, 18338349, 67240613, 201721839]

約数ペア:

[(1, 201721839), (3, 67240613), (11, 18338349), (33, 6112783), (79, 2553441), (237, 851147), (869, 232131), (2607, 77377)]