81225585

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{4093}}^1$

素因数の和:4124

約数の個数: 60

約数和(自身を含む): 169417908

約数和(自身を除く): 88192323

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3969, 4093, 6615, 12279, 19845, 20465, 28651, 36837, 61395, 85953, 110511, 143255, 184185, 200557, 257859, 331533, 429765, 552555, 601671, 773577, 1002785, 1289295, 1657665, 1805013, 2320731, 3008355, 3867885, 5415039, 9025065, 11603655, 16245117, 27075195, 81225585]

約数ペア:

[(1, 81225585), (3, 27075195), (5, 16245117), (7, 11603655), (9, 9025065), (15, 5415039), (21, 3867885), (27, 3008355), (35, 2320731), (45, 1805013), (49, 1657665), (63, 1289295), (81, 1002785), (105, 773577), (135, 601671), (147, 552555), (189, 429765), (245, 331533), (315, 257859), (405, 200557), (441, 184185), (567, 143255), (735, 110511), (945, 85953), (1323, 61395), (2205, 36837), (2835, 28651), (3969, 20465), (4093, 19845), (6615, 12279)]