261567135

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{13121}}^1$

素因数の和:13575

約数の個数: 24

約数和(自身を含む): 454441104

約数和(自身を除く): 192873969

約数列:

[1, 3, 5, 9, 15, 45, 443, 1329, 2215, 3987, 6645, 13121, 19935, 39363, 65605, 118089, 196815, 590445, 5812603, 17437809, 29063015, 52313427, 87189045, 261567135]

約数ペア:

[(1, 261567135), (3, 87189045), (5, 52313427), (9, 29063015), (15, 17437809), (45, 5812603), (443, 590445), (1329, 196815), (2215, 118089), (3987, 65605), (6645, 39363), (13121, 19935)]