30706431

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 48168960

約数和(自身を除く): 17462529

約数列:

[1, 3, 7, 21, 79, 83, 223, 237, 249, 553, 581, 669, 1561, 1659, 1743, 4683, 6557, 17617, 18509, 19671, 45899, 52851, 55527, 123319, 129563, 137697, 369957, 388689, 1462211, 4386633, 10235477, 30706431]

約数ペア:

[(1, 30706431), (3, 10235477), (7, 4386633), (21, 1462211), (79, 388689), (83, 369957), (223, 137697), (237, 129563), (249, 123319), (553, 55527), (581, 52851), (669, 45899), (1561, 19671), (1659, 18509), (1743, 17617), (4683, 6557)]