90861021

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 146303520

約数和(自身を除く): 55442499

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 817, 1161, 1373, 1539, 2451, 3483, 4119, 7353, 12357, 22059, 26087, 37071, 59039, 66177, 78261, 111213, 177117, 234783, 531351, 704349, 1121741, 1594053, 2113047, 3365223, 4782159, 10095669, 30287007, 90861021]

約数ペア:

[(1, 90861021), (3, 30287007), (9, 10095669), (19, 4782159), (27, 3365223), (43, 2113047), (57, 1594053), (81, 1121741), (129, 704349), (171, 531351), (387, 234783), (513, 177117), (817, 111213), (1161, 78261), (1373, 66177), (1539, 59039), (2451, 37071), (3483, 26087), (4119, 22059), (7353, 12357)]