90245169

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 158156544

約数和(自身を除く): 67911375

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 183, 207, 427, 483, 549, 1021, 1281, 1403, 1449, 3063, 3843, 4209, 7147, 9189, 9821, 12627, 21441, 23483, 29463, 62281, 64323, 70449, 88389, 164381, 186843, 211347, 435967, 493143, 560529, 1307901, 1432463, 1479429, 3923703, 4297389, 10027241, 12892167, 30081723, 90245169]

約数ペア:

[(1, 90245169), (3, 30081723), (7, 12892167), (9, 10027241), (21, 4297389), (23, 3923703), (61, 1479429), (63, 1432463), (69, 1307901), (161, 560529), (183, 493143), (207, 435967), (427, 211347), (483, 186843), (549, 164381), (1021, 88389), (1281, 70449), (1403, 64323), (1449, 62281), (3063, 29463), (3843, 23483), (4209, 21441), (7147, 12627), (9189, 9821)]