31369131

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 48189024

約数和(自身を除く): 16819893

約数列:

[1, 3, 9, 17, 51, 153, 421, 487, 1263, 1461, 3789, 4383, 7157, 8279, 21471, 24837, 64413, 74511, 205027, 615081, 1845243, 3485459, 10456377, 31369131]

約数ペア:

[(1, 31369131), (3, 10456377), (9, 3485459), (17, 1845243), (51, 615081), (153, 205027), (421, 74511), (487, 64413), (1263, 24837), (1461, 21471), (3789, 8279), (4383, 7157)]