440485209

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 680581440

約数和(自身を除く): 240096231

約数列:

[1, 3, 9, 27, 59, 61, 81, 177, 183, 531, 549, 1511, 1593, 1647, 3599, 4533, 4779, 4941, 10797, 13599, 32391, 40797, 89149, 92171, 97173, 122391, 267447, 276513, 291519, 802341, 829539, 2407023, 2488617, 5438089, 7221069, 7465851, 16314267, 48942801, 146828403, 440485209]

約数ペア:

[(1, 440485209), (3, 146828403), (9, 48942801), (27, 16314267), (59, 7465851), (61, 7221069), (81, 5438089), (177, 2488617), (183, 2407023), (531, 829539), (549, 802341), (1511, 291519), (1593, 276513), (1647, 267447), (3599, 122391), (4533, 97173), (4779, 92171), (4941, 89149), (10797, 40797), (13599, 32391)]