90820521

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 151115328

約数和(自身を除く): 60294807

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 183, 243, 297, 549, 557, 671, 891, 1647, 1671, 2013, 2673, 4941, 5013, 6039, 6127, 14823, 15039, 18117, 18381, 33977, 45117, 54351, 55143, 101931, 135351, 163053, 165429, 305793, 373747, 496287, 917379, 1121241, 1488861, 2752137, 3363723, 8256411, 10091169, 30273507, 90820521]

約数ペア:

[(1, 90820521), (3, 30273507), (9, 10091169), (11, 8256411), (27, 3363723), (33, 2752137), (61, 1488861), (81, 1121241), (99, 917379), (183, 496287), (243, 373747), (297, 305793), (549, 165429), (557, 163053), (671, 135351), (891, 101931), (1647, 55143), (1671, 54351), (2013, 45117), (2673, 33977), (4941, 18381), (5013, 18117), (6039, 15039), (6127, 14823)]