388519551

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{26021}}^1$

素因数の和:26116

約数の個数: 32

約数和(自身を含む): 666163200

約数和(自身を除く): 277643649

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 14931, 26021, 78063, 182147, 234189, 546441, 702567, 1639323, 2055659, 4917969, 6166977, 14389613, 18500931, 43168839, 55502793, 129506517, 388519551]

約数ペア:

[(1, 388519551), (3, 129506517), (7, 55502793), (9, 43168839), (21, 18500931), (27, 14389613), (63, 6166977), (79, 4917969), (189, 2055659), (237, 1639323), (553, 702567), (711, 546441), (1659, 234189), (2133, 182147), (4977, 78063), (14931, 26021)]