18901323

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 32363520

約数和(自身を除く): 13462197

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1031, 2037, 2619, 3093, 6111, 7217, 9279, 18333, 21651, 27837, 64953, 100007, 194859, 300021, 700049, 900063, 2100147, 2700189, 6300441, 18901323]

約数ペア:

[(1, 18901323), (3, 6300441), (7, 2700189), (9, 2100147), (21, 900063), (27, 700049), (63, 300021), (97, 194859), (189, 100007), (291, 64953), (679, 27837), (873, 21651), (1031, 18333), (2037, 9279), (2619, 7217), (3093, 6111)]