1988883

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1156077

約数列:

[1, 3, 9, 13, 39, 89, 117, 191, 267, 573, 801, 1157, 1719, 2483, 3471, 7449, 10413, 16999, 22347, 50997, 152991, 220987, 662961, 1988883]

約数ペア:

[(1, 1988883), (3, 662961), (9, 220987), (13, 152991), (39, 50997), (89, 22347), (117, 16999), (191, 10413), (267, 7449), (573, 3471), (801, 2483), (1157, 1719)]