28104885

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15233}}^1$

素因数の和:15285

約数の個数: 24

約数和(自身を含む): 49906584

約数和(自身を除く): 21801699

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 15233, 45699, 76165, 137097, 228495, 624553, 685485, 1873659, 3122765, 5620977, 9368295, 28104885]

約数ペア:

[(1, 28104885), (3, 9368295), (5, 5620977), (9, 3122765), (15, 1873659), (41, 685485), (45, 624553), (123, 228495), (205, 137097), (369, 76165), (615, 45699), (1845, 15233)]