28505715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271483}}^1$

素因数の和:271498

約数の個数: 16

約数和(自身を含む): 52124928

約数和(自身を除く): 23619213

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271483, 814449, 1357415, 1900381, 4072245, 5701143, 9501905, 28505715]

約数ペア:

[(1, 28505715), (3, 9501905), (5, 5701143), (7, 4072245), (15, 1900381), (21, 1357415), (35, 814449), (105, 271483)]