220185441

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 371314944

約数和(自身を除く): 151129503

約数列:

[1, 3, 7, 9, 21, 63, 97, 137, 263, 291, 411, 679, 789, 873, 959, 1233, 1841, 2037, 2367, 2877, 5523, 6111, 8631, 13289, 16569, 25511, 36031, 39867, 76533, 93023, 108093, 119601, 178577, 229599, 252217, 279069, 324279, 535731, 756651, 837207, 1607193, 2269953, 3495007, 10485021, 24465049, 31455063, 73395147, 220185441]

約数ペア:

[(1, 220185441), (3, 73395147), (7, 31455063), (9, 24465049), (21, 10485021), (63, 3495007), (97, 2269953), (137, 1607193), (263, 837207), (291, 756651), (411, 535731), (679, 324279), (789, 279069), (873, 252217), (959, 229599), (1233, 178577), (1841, 119601), (2037, 108093), (2367, 93023), (2877, 76533), (5523, 39867), (6111, 36031), (8631, 25511), (13289, 16569)]