90991251

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21019}}^1$

素因数の和:21075

約数の個数: 24

約数和(自身を含む): 145374320

約数和(自身を除く): 54383069

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 21019, 63057, 189171, 273247, 777703, 819741, 2333109, 2459223, 6999327, 10110139, 30330417, 90991251]

約数ペア:

[(1, 90991251), (3, 30330417), (9, 10110139), (13, 6999327), (37, 2459223), (39, 2333109), (111, 819741), (117, 777703), (333, 273247), (481, 189171), (1443, 63057), (4329, 21019)]