81831465

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 150329088

約数和(自身を除く): 68497623

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 705, 1215, 1269, 1433, 2115, 3807, 4299, 6345, 7165, 11421, 12897, 19035, 21495, 38691, 57105, 64485, 67351, 116073, 193455, 202053, 336755, 348219, 580365, 606159, 1010265, 1741095, 1818477, 3030795, 5455431, 9092385, 16366293, 27277155, 81831465]

約数ペア:

[(1, 81831465), (3, 27277155), (5, 16366293), (9, 9092385), (15, 5455431), (27, 3030795), (45, 1818477), (47, 1741095), (81, 1010265), (135, 606159), (141, 580365), (235, 348219), (243, 336755), (405, 202053), (423, 193455), (705, 116073), (1215, 67351), (1269, 64485), (1433, 57105), (2115, 38691), (3807, 21495), (4299, 19035), (6345, 12897), (7165, 11421)]