90900459

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 146476512

約数和(自身を除く): 55576053

約数列:

[1, 3, 9, 13, 39, 53, 107, 117, 137, 159, 321, 411, 477, 689, 963, 1233, 1391, 1781, 2067, 4173, 5343, 5671, 6201, 7261, 12519, 14659, 16029, 17013, 21783, 43977, 51039, 65349, 73723, 94393, 131931, 190567, 221169, 283179, 571701, 663507, 776927, 849537, 1715103, 2330781, 6992343, 10100051, 30300153, 90900459]

約数ペア:

[(1, 90900459), (3, 30300153), (9, 10100051), (13, 6992343), (39, 2330781), (53, 1715103), (107, 849537), (117, 776927), (137, 663507), (159, 571701), (321, 283179), (411, 221169), (477, 190567), (689, 131931), (963, 94393), (1233, 73723), (1391, 65349), (1781, 51039), (2067, 43977), (4173, 21783), (5343, 17013), (5671, 16029), (6201, 14659), (7261, 12519)]