261566265

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{4211}}^1$

素因数の和:4361

約数の個数: 32

約数和(自身を含む): 433060992

約数和(自身を除く): 171494727

約数列:

[1, 3, 5, 15, 41, 101, 123, 205, 303, 505, 615, 1515, 4141, 4211, 12423, 12633, 20705, 21055, 62115, 63165, 172651, 425311, 517953, 863255, 1275933, 2126555, 2589765, 6379665, 17437751, 52313253, 87188755, 261566265]

約数ペア:

[(1, 261566265), (3, 87188755), (5, 52313253), (15, 17437751), (41, 6379665), (101, 2589765), (123, 2126555), (205, 1275933), (303, 863255), (505, 517953), (615, 425311), (1515, 172651), (4141, 63165), (4211, 62115), (12423, 21055), (12633, 20705)]