42720069

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33349}}^1$

素因数の和:33420

約数の個数: 16

約数和(自身を含む): 66166400

約数和(自身を除く): 23446331

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 33349, 100047, 233443, 700329, 2034289, 6102867, 14240023, 42720069]

約数ペア:

[(1, 42720069), (3, 14240023), (7, 6102867), (21, 2034289), (61, 700329), (183, 233443), (427, 100047), (1281, 33349)]