81335331

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 147383808

約数和(自身を除く): 66048477

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 241, 487, 693, 723, 1461, 1687, 2169, 2651, 3409, 4383, 5061, 5357, 7953, 10227, 15183, 16071, 18557, 23859, 30681, 37499, 48213, 55671, 112497, 117367, 167013, 337491, 352101, 821569, 1056303, 1291037, 2464707, 3873111, 7394121, 9037259, 11619333, 27111777, 81335331]

約数ペア:

[(1, 81335331), (3, 27111777), (7, 11619333), (9, 9037259), (11, 7394121), (21, 3873111), (33, 2464707), (63, 1291037), (77, 1056303), (99, 821569), (231, 352101), (241, 337491), (487, 167013), (693, 117367), (723, 112497), (1461, 55671), (1687, 48213), (2169, 37499), (2651, 30681), (3409, 23859), (4383, 18557), (5061, 16071), (5357, 15183), (7953, 10227)]