72866811

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 33577989

約数列:

[1, 3, 17, 43, 51, 129, 149, 223, 447, 669, 731, 2193, 2533, 3791, 6407, 7599, 9589, 11373, 19221, 28767, 33227, 99681, 108919, 163013, 326757, 489039, 564859, 1428761, 1694577, 4286283, 24288937, 72866811]

約数ペア:

[(1, 72866811), (3, 24288937), (17, 4286283), (43, 1694577), (51, 1428761), (129, 564859), (149, 489039), (223, 326757), (447, 163013), (669, 108919), (731, 99681), (2193, 33227), (2533, 28767), (3791, 19221), (6407, 11373), (7599, 9589)]