428895

素因数分解:

$3^5\times 5^1\times {\mathrm{353}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 773136

約数和(自身を除く): 344241

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 353, 405, 1059, 1215, 1765, 3177, 5295, 9531, 15885, 28593, 47655, 85779, 142965, 428895]

約数ペア:

[(1, 428895), (3, 142965), (5, 85779), (9, 47655), (15, 28593), (27, 15885), (45, 9531), (81, 5295), (135, 3177), (243, 1765), (353, 1215), (405, 1059)]