18360447

素因数分解:

$3^1\times 7^4\times {\mathrm{2549}}^1$

素因数の和:2580

約数の個数: 20

約数和(自身を含む): 28570200

約数和(自身を除く): 10209753

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2549, 7203, 7647, 17843, 53529, 124901, 374703, 874307, 2622921, 6120149, 18360447]

約数ペア:

[(1, 18360447), (3, 6120149), (7, 2622921), (21, 874307), (49, 374703), (147, 124901), (343, 53529), (1029, 17843), (2401, 7647), (2549, 7203)]