491291241

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{320477}}^1$

素因数の和:320560

約数の個数: 16

約数和(自身を含む): 758891904

約数和(自身を除く): 267600663

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 320477, 961431, 2243339, 6730017, 23394821, 70184463, 163763747, 491291241]

約数ペア:

[(1, 491291241), (3, 163763747), (7, 70184463), (21, 23394821), (73, 6730017), (219, 2243339), (511, 961431), (1533, 320477)]