1580985

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{239}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 3283200

約数和(自身を除く): 1702215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 239, 245, 315, 441, 717, 735, 945, 1195, 1323, 1673, 2151, 2205, 3585, 5019, 6453, 6615, 8365, 10755, 11711, 15057, 25095, 32265, 35133, 45171, 58555, 75285, 105399, 175665, 225855, 316197, 526995, 1580985]

約数ペア:

[(1, 1580985), (3, 526995), (5, 316197), (7, 225855), (9, 175665), (15, 105399), (21, 75285), (27, 58555), (35, 45171), (45, 35133), (49, 32265), (63, 25095), (105, 15057), (135, 11711), (147, 10755), (189, 8365), (239, 6615), (245, 6453), (315, 5019), (441, 3585), (717, 2205), (735, 2151), (945, 1673), (1195, 1323)]