7980705

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2647}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 14044992

約数和(自身を除く): 6064287

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 2647, 3015, 7941, 13235, 23823, 39705, 119115, 177349, 532047, 886745, 1596141, 2660235, 7980705]

約数ペア:

[(1, 7980705), (3, 2660235), (5, 1596141), (9, 886745), (15, 532047), (45, 177349), (67, 119115), (201, 39705), (335, 23823), (603, 13235), (1005, 7941), (2647, 3015)]