1333521

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 2243904

約数和(自身を除く): 910383

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 347, 427, 549, 1041, 1281, 2429, 3123, 3843, 7287, 21167, 21861, 63501, 148169, 190503, 444507, 1333521]

約数ペア:

[(1, 1333521), (3, 444507), (7, 190503), (9, 148169), (21, 63501), (61, 21861), (63, 21167), (183, 7287), (347, 3843), (427, 3123), (549, 2429), (1041, 1281)]