17968221

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 27545856

約数和(自身を除く): 9577635

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 1423, 4209, 4269, 12627, 12807, 32729, 86803, 98187, 260409, 294561, 781227, 1996469, 5989407, 17968221]

約数ペア:

[(1, 17968221), (3, 5989407), (9, 1996469), (23, 781227), (61, 294561), (69, 260409), (183, 98187), (207, 86803), (549, 32729), (1403, 12807), (1423, 12627), (4209, 4269)]