2178495

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4298112

約数和(自身を除く): 2119617

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 163, 165, 243, 297, 405, 489, 495, 815, 891, 1215, 1467, 1485, 1793, 2445, 2673, 4401, 4455, 5379, 7335, 8965, 13203, 13365, 16137, 22005, 26895, 39609, 48411, 66015, 80685, 145233, 198045, 242055, 435699, 726165, 2178495]

約数ペア:

[(1, 2178495), (3, 726165), (5, 435699), (9, 242055), (11, 198045), (15, 145233), (27, 80685), (33, 66015), (45, 48411), (55, 39609), (81, 26895), (99, 22005), (135, 16137), (163, 13365), (165, 13203), (243, 8965), (297, 7335), (405, 5379), (489, 4455), (495, 4401), (815, 2673), (891, 2445), (1215, 1793), (1467, 1485)]