216221013

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{2221}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 324100920

約数和(自身を除く): 107879907

約数列:

[1, 3, 9, 29, 87, 261, 373, 1119, 2221, 3357, 6663, 10817, 19989, 32451, 64409, 97353, 193227, 579681, 828433, 2485299, 7455897, 24024557, 72073671, 216221013]

約数ペア:

[(1, 216221013), (3, 72073671), (9, 24024557), (29, 7455897), (87, 2485299), (261, 828433), (373, 579681), (1119, 193227), (2221, 97353), (3357, 64409), (6663, 32451), (10817, 19989)]