402575265

素因数分解:

$3^4\times 5^1\times {\mathrm{994013}}^1$

素因数の和:994030

約数の個数: 20

約数和(自身を含む): 721654164

約数和(自身を除く): 319078899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 994013, 2982039, 4970065, 8946117, 14910195, 26838351, 44730585, 80515053, 134191755, 402575265]

約数ペア:

[(1, 402575265), (3, 134191755), (5, 80515053), (9, 44730585), (15, 26838351), (27, 14910195), (45, 8946117), (81, 4970065), (135, 2982039), (405, 994013)]