12721784505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{87679}}^1$

素因数の和:88273

約数の個数: 32

約数和(自身を含む): 21590323200

約数和(自身を除く): 8868538695

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 569, 1707, 2845, 8535, 9673, 29019, 48365, 87679, 145095, 263037, 438395, 1315185, 1490543, 4471629, 7452715, 22358145, 49889351, 149668053, 249446755, 748340265, 848118967, 2544356901, 4240594835, 12721784505]

約数ペア:

[(1, 12721784505), (3, 4240594835), (5, 2544356901), (15, 848118967), (17, 748340265), (51, 249446755), (85, 149668053), (255, 49889351), (569, 22358145), (1707, 7452715), (2845, 4471629), (8535, 1490543), (9673, 1315185), (29019, 438395), (48365, 263037), (87679, 145095)]