2191995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 4200000

約数和(自身を除く): 2008005

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1249, 1755, 3747, 6245, 11241, 16237, 18735, 33723, 48711, 56205, 81185, 146133, 168615, 243555, 438399, 730665, 2191995]

約数ペア:

[(1, 2191995), (3, 730665), (5, 438399), (9, 243555), (13, 168615), (15, 146133), (27, 81185), (39, 56205), (45, 48711), (65, 33723), (117, 18735), (135, 16237), (195, 11241), (351, 6245), (585, 3747), (1249, 1755)]