81804405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{15107}}^1$

素因数の和:15153

約数の個数: 24

約数和(自身を含む): 138147552

約数和(自身を除く): 56343147

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 15107, 45321, 75535, 226605, 287033, 861099, 1435165, 4305495, 5453627, 16360881, 27268135, 81804405]

約数ペア:

[(1, 81804405), (3, 27268135), (5, 16360881), (15, 5453627), (19, 4305495), (57, 1435165), (95, 861099), (285, 287033), (361, 226605), (1083, 75535), (1805, 45321), (5415, 15107)]