421215753

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{198593}}^1$

素因数の和:198704

約数の個数: 16

約数和(自身を含む): 648210816

約数和(自身を除く): 226995063

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 198593, 595779, 1390151, 4170453, 20057893, 60173679, 140405251, 421215753]

約数ペア:

[(1, 421215753), (3, 140405251), (7, 60173679), (21, 20057893), (101, 4170453), (303, 1390151), (707, 595779), (2121, 198593)]