7983009

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 12439680

約数和(自身を除く): 4456671

約数列:

[1, 3, 9, 27, 37, 61, 111, 131, 183, 333, 393, 549, 999, 1179, 1647, 2257, 3537, 4847, 6771, 7991, 14541, 20313, 23973, 43623, 60939, 71919, 130869, 215757, 295667, 887001, 2661003, 7983009]

約数ペア:

[(1, 7983009), (3, 2661003), (9, 887001), (27, 295667), (37, 215757), (61, 130869), (111, 71919), (131, 60939), (183, 43623), (333, 23973), (393, 20313), (549, 14541), (999, 7991), (1179, 6771), (1647, 4847), (2257, 3537)]