9920979

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 15436512

約数和(自身を除く): 5515533

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 1063, 3111, 3189, 9333, 9567, 18071, 54213, 64843, 162639, 194529, 583587, 1102331, 3306993, 9920979]

約数ペア:

[(1, 9920979), (3, 3306993), (9, 1102331), (17, 583587), (51, 194529), (61, 162639), (153, 64843), (183, 54213), (549, 18071), (1037, 9567), (1063, 9333), (3111, 3189)]