400882689

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 626808000

約数和(自身を除く): 225925311

約数列:

[1, 3, 9, 27, 29, 81, 87, 163, 243, 261, 349, 489, 783, 1047, 1467, 2349, 3141, 4401, 4727, 7047, 9423, 10121, 13203, 14181, 28269, 30363, 39609, 42543, 56887, 84807, 91089, 127629, 170661, 273267, 382887, 511983, 819801, 1148661, 1535949, 1649723, 2459403, 4607847, 4949169, 13823541, 14847507, 44542521, 133627563, 400882689]

約数ペア:

[(1, 400882689), (3, 133627563), (9, 44542521), (27, 14847507), (29, 13823541), (81, 4949169), (87, 4607847), (163, 2459403), (243, 1649723), (261, 1535949), (349, 1148661), (489, 819801), (783, 511983), (1047, 382887), (1467, 273267), (2349, 170661), (3141, 127629), (4401, 91089), (4727, 84807), (7047, 56887), (9423, 42543), (10121, 39609), (13203, 30363), (14181, 28269)]