1398407619

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4861}}^1$

素因数の和:5000

約数の個数: 48

約数和(自身を含む): 2305754880

約数和(自身を除く): 907347261

約数列:

[1, 3, 7, 19, 21, 49, 57, 103, 133, 147, 309, 399, 721, 931, 1957, 2163, 2793, 4861, 5047, 5871, 13699, 14583, 15141, 34027, 41097, 92359, 95893, 102081, 238189, 277077, 287679, 500683, 646513, 714567, 1502049, 1939539, 3504781, 4525591, 9512977, 10514343, 13576773, 24533467, 28538931, 66590839, 73600401, 199772517, 466135873, 1398407619]

約数ペア:

[(1, 1398407619), (3, 466135873), (7, 199772517), (19, 73600401), (21, 66590839), (49, 28538931), (57, 24533467), (103, 13576773), (133, 10514343), (147, 9512977), (309, 4525591), (399, 3504781), (721, 1939539), (931, 1502049), (1957, 714567), (2163, 646513), (2793, 500683), (4861, 287679), (5047, 277077), (5871, 238189), (13699, 102081), (14583, 95893), (15141, 92359), (34027, 41097)]