89720145

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 160617600

約数和(自身を除く): 70897455

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 199, 215, 233, 387, 597, 645, 699, 995, 1165, 1791, 1935, 2097, 2985, 3495, 8557, 8955, 10019, 10485, 25671, 30057, 42785, 46367, 50095, 77013, 90171, 128355, 139101, 150285, 231835, 385065, 417303, 450855, 695505, 1993781, 2086515, 5981343, 9968905, 17944029, 29906715, 89720145]

約数ペア:

[(1, 89720145), (3, 29906715), (5, 17944029), (9, 9968905), (15, 5981343), (43, 2086515), (45, 1993781), (129, 695505), (199, 450855), (215, 417303), (233, 385065), (387, 231835), (597, 150285), (645, 139101), (699, 128355), (995, 90171), (1165, 77013), (1791, 50095), (1935, 46367), (2097, 42785), (2985, 30057), (3495, 25671), (8557, 10485), (8955, 10019)]