1378427757

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1\times {\mathrm{733}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 2120966400

約数和(自身を除く): 742538643

約数列:

[1, 3, 7, 21, 149, 447, 601, 733, 1043, 1803, 2199, 3129, 4207, 5131, 12621, 15393, 89549, 109217, 268647, 327651, 440533, 626843, 764519, 1321599, 1880529, 2293557, 3083731, 9251193, 65639417, 196918251, 459475919, 1378427757]

約数ペア:

[(1, 1378427757), (3, 459475919), (7, 196918251), (21, 65639417), (149, 9251193), (447, 3083731), (601, 2293557), (733, 1880529), (1043, 1321599), (1803, 764519), (2199, 626843), (3129, 440533), (4207, 327651), (5131, 268647), (12621, 109217), (15393, 89549)]