2221281789

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 3073904640

約数和(自身を除く): 852622851

約数列:

[1, 3, 71, 79, 101, 213, 237, 303, 1307, 3921, 5609, 7171, 7979, 16827, 21513, 23937, 92797, 103253, 132007, 278391, 309759, 396021, 566509, 1699527, 7330963, 9372497, 10428553, 21992889, 28117491, 31285659, 740427263, 2221281789]

約数ペア:

[(1, 2221281789), (3, 740427263), (71, 31285659), (79, 28117491), (101, 21992889), (213, 10428553), (237, 9372497), (303, 7330963), (1307, 1699527), (3921, 566509), (5609, 396021), (7171, 309759), (7979, 278391), (16827, 132007), (21513, 103253), (23937, 92797)]