81444225

素因数分解:

$3^1\times 5^2\times {\mathrm{607}}^1\times {\mathrm{1789}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 134951680

約数和(自身を除く): 53507455

約数列:

[1, 3, 5, 15, 25, 75, 607, 1789, 1821, 3035, 5367, 8945, 9105, 15175, 26835, 44725, 45525, 134175, 1085923, 3257769, 5429615, 16288845, 27148075, 81444225]

約数ペア:

[(1, 81444225), (3, 27148075), (5, 16288845), (15, 5429615), (25, 3257769), (75, 1085923), (607, 134175), (1789, 45525), (1821, 44725), (3035, 26835), (5367, 15175), (8945, 9105)]