278360559

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{2917}}^1$

素因数の和:3407

約数の個数: 24

約数和(自身を含む): 420612192

約数和(自身を除く): 142251633

約数列:

[1, 3, 9, 23, 69, 207, 461, 1383, 2917, 4149, 8751, 10603, 26253, 31809, 67091, 95427, 201273, 603819, 1344737, 4034211, 12102633, 30928951, 92786853, 278360559]

約数ペア:

[(1, 278360559), (3, 92786853), (9, 30928951), (23, 12102633), (69, 4034211), (207, 1344737), (461, 603819), (1383, 201273), (2917, 95427), (4149, 67091), (8751, 31809), (10603, 26253)]