390696237

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 594344960

約数和(自身を除く): 203648723

約数列:

[1, 3, 9, 27, 43, 129, 387, 487, 691, 1161, 1461, 2073, 4383, 6219, 13149, 18657, 20941, 29713, 62823, 89139, 188469, 267417, 336517, 565407, 802251, 1009551, 3028653, 9085959, 14470231, 43410693, 130232079, 390696237]

約数ペア:

[(1, 390696237), (3, 130232079), (9, 43410693), (27, 14470231), (43, 9085959), (129, 3028653), (387, 1009551), (487, 802251), (691, 565407), (1161, 336517), (1461, 267417), (2073, 188469), (4383, 89139), (6219, 62823), (13149, 29713), (18657, 20941)]