81488835

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 149700096

約数和(自身を除く): 68211261

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 705, 1215, 1269, 1427, 2115, 3807, 4281, 6345, 7135, 11421, 12843, 19035, 21405, 38529, 57105, 64215, 67069, 115587, 192645, 201207, 335345, 346761, 577935, 603621, 1006035, 1733805, 1810863, 3018105, 5432589, 9054315, 16297767, 27162945, 81488835]

約数ペア:

[(1, 81488835), (3, 27162945), (5, 16297767), (9, 9054315), (15, 5432589), (27, 3018105), (45, 1810863), (47, 1733805), (81, 1006035), (135, 603621), (141, 577935), (235, 346761), (243, 335345), (405, 201207), (423, 192645), (705, 115587), (1215, 67069), (1269, 64215), (1427, 57105), (2115, 38529), (3807, 21405), (4281, 19035), (6345, 12843), (7135, 11421)]