31394937

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{739}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 51797040

約数和(自身を除く): 20402103

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 289, 357, 739, 833, 867, 2023, 2217, 2499, 5173, 6069, 12563, 14161, 15519, 36211, 37689, 42483, 87941, 108633, 213571, 263823, 615587, 640713, 1494997, 1846761, 4484991, 10464979, 31394937]

約数ペア:

[(1, 31394937), (3, 10464979), (7, 4484991), (17, 1846761), (21, 1494997), (49, 640713), (51, 615587), (119, 263823), (147, 213571), (289, 108633), (357, 87941), (739, 42483), (833, 37689), (867, 36211), (2023, 15519), (2217, 14161), (2499, 12563), (5173, 6069)]