28311423

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4073}}^1$

素因数の和:4414

約数の個数: 16

約数和(自身を含む): 43282176

約数和(自身を除く): 14970753

約数列:

[1, 3, 7, 21, 331, 993, 2317, 4073, 6951, 12219, 28511, 85533, 1348163, 4044489, 9437141, 28311423]

約数ペア:

[(1, 28311423), (3, 9437141), (7, 4044489), (21, 1348163), (331, 85533), (993, 28511), (2317, 12219), (4073, 6951)]