18645525

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 35771520

約数和(自身を除く): 17125995

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1201, 1725, 3105, 3603, 5175, 6005, 10809, 15525, 18015, 27623, 30025, 32427, 54045, 82869, 90075, 138115, 162135, 248607, 270225, 414345, 690575, 745821, 810675, 1243035, 2071725, 3729105, 6215175, 18645525]

約数ペア:

[(1, 18645525), (3, 6215175), (5, 3729105), (9, 2071725), (15, 1243035), (23, 810675), (25, 745821), (27, 690575), (45, 414345), (69, 270225), (75, 248607), (115, 162135), (135, 138115), (207, 90075), (225, 82869), (345, 54045), (575, 32427), (621, 30025), (675, 27623), (1035, 18015), (1201, 15525), (1725, 10809), (3105, 6005), (3603, 5175)]