2163375

素因数分解:

$3^3\times 5^3\times {\mathrm{641}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 4006080

約数和(自身を除く): 1842705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 641, 675, 1125, 1923, 3205, 3375, 5769, 9615, 16025, 17307, 28845, 48075, 80125, 86535, 144225, 240375, 432675, 721125, 2163375]

約数ペア:

[(1, 2163375), (3, 721125), (5, 432675), (9, 240375), (15, 144225), (25, 86535), (27, 80125), (45, 48075), (75, 28845), (125, 17307), (135, 16025), (225, 9615), (375, 5769), (641, 3375), (675, 3205), (1125, 1923)]