3278745

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 5904000

約数和(自身を除く): 2625255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 163, 447, 489, 745, 815, 1341, 1467, 2235, 2445, 4023, 4401, 6705, 7335, 20115, 22005, 24287, 72861, 121435, 218583, 364305, 655749, 1092915, 3278745]

約数ペア:

[(1, 3278745), (3, 1092915), (5, 655749), (9, 364305), (15, 218583), (27, 121435), (45, 72861), (135, 24287), (149, 22005), (163, 20115), (447, 7335), (489, 6705), (745, 4401), (815, 4023), (1341, 2445), (1467, 2235)]