647579145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1877041}}^1$

素因数の和:1877072

約数の個数: 16

約数和(自身を含む): 1081176192

約数和(自身を除く): 433597047

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 1877041, 5631123, 9385205, 28155615, 43171943, 129515829, 215859715, 647579145]

約数ペア:

[(1, 647579145), (3, 215859715), (5, 129515829), (15, 43171943), (23, 28155615), (69, 9385205), (115, 5631123), (345, 1877041)]