528280245

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{26263}}^1$

素因数の和:26426

約数の個数: 32

約数和(自身を含む): 945504000

約数和(自身を除く): 417223755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705, 20115, 26263, 78789, 131315, 236367, 393945, 709101, 1181835, 3545505, 3913187, 11739561, 19565935, 35218683, 58697805, 105656049, 176093415, 528280245]

約数ペア:

[(1, 528280245), (3, 176093415), (5, 105656049), (9, 58697805), (15, 35218683), (27, 19565935), (45, 11739561), (135, 3913187), (149, 3545505), (447, 1181835), (745, 709101), (1341, 393945), (2235, 236367), (4023, 131315), (6705, 78789), (20115, 26263)]