28474905

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26737}}^1$

素因数の和:26816

約数の個数: 16

約数和(自身を含む): 46203264

約数和(自身を除く): 17728359

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26737, 80211, 133685, 401055, 1898327, 5694981, 9491635, 28474905]

約数ペア:

[(1, 28474905), (3, 9491635), (5, 5694981), (15, 1898327), (71, 401055), (213, 133685), (355, 80211), (1065, 26737)]