1988793

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 20

約数和(自身を含む): 3045328

約数和(自身を除く): 1056535

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 571, 1161, 1713, 3483, 5139, 15417, 24553, 46251, 73659, 220977, 662931, 1988793]

約数ペア:

[(1, 1988793), (3, 662931), (9, 220977), (27, 73659), (43, 46251), (81, 24553), (129, 15417), (387, 5139), (571, 3483), (1161, 1713)]