20121480009

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{251}}^1\times {\mathrm{51487}}^1$

素因数の和:51917

約数の個数: 24

約数和(自身を含む): 29349395712

約数和(自身を除く): 9227915703

約数列:

[1, 3, 9, 173, 251, 519, 753, 1557, 2259, 43423, 51487, 130269, 154461, 390807, 463383, 8907251, 12923237, 26721753, 38769711, 80165259, 116309133, 2235720001, 6707160003, 20121480009]

約数ペア:

[(1, 20121480009), (3, 6707160003), (9, 2235720001), (173, 116309133), (251, 80165259), (519, 38769711), (753, 26721753), (1557, 12923237), (2259, 8907251), (43423, 463383), (51487, 390807), (130269, 154461)]