16704225

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 60

約数和(自身を含む): 31643436

約数和(自身を除く): 14939211

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 113, 135, 219, 225, 339, 365, 405, 565, 657, 675, 1017, 1095, 1695, 1825, 1971, 2025, 2825, 3051, 3285, 5085, 5475, 5913, 8249, 8475, 9153, 9855, 15255, 16425, 24747, 25425, 29565, 41245, 45765, 49275, 74241, 76275, 123735, 147825, 206225, 222723, 228825, 371205, 618675, 668169, 1113615, 1856025, 3340845, 5568075, 16704225]

約数ペア:

[(1, 16704225), (3, 5568075), (5, 3340845), (9, 1856025), (15, 1113615), (25, 668169), (27, 618675), (45, 371205), (73, 228825), (75, 222723), (81, 206225), (113, 147825), (135, 123735), (219, 76275), (225, 74241), (339, 49275), (365, 45765), (405, 41245), (565, 29565), (657, 25425), (675, 24747), (1017, 16425), (1095, 15255), (1695, 9855), (1825, 9153), (1971, 8475), (2025, 8249), (2825, 5913), (3051, 5475), (3285, 5085)]