20171837457

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{8597}}^1$

素因数の和:8739

約数の個数: 48

約数和(自身を含む): 31249946880

約数和(自身を除く): 11078109423

約数列:

[1, 3, 9, 27, 43, 47, 129, 141, 387, 423, 1161, 1269, 1849, 2021, 5547, 6063, 8597, 16641, 18189, 25791, 49923, 54567, 77373, 86903, 232119, 260709, 369671, 404059, 782127, 1109013, 1212177, 2346381, 3327039, 3636531, 9981117, 10909593, 15895853, 17374537, 47687559, 52123611, 143062677, 156370833, 429188031, 469112499, 747105091, 2241315273, 6723945819, 20171837457]

約数ペア:

[(1, 20171837457), (3, 6723945819), (9, 2241315273), (27, 747105091), (43, 469112499), (47, 429188031), (129, 156370833), (141, 143062677), (387, 52123611), (423, 47687559), (1161, 17374537), (1269, 15895853), (1849, 10909593), (2021, 9981117), (5547, 3636531), (6063, 3327039), (8597, 2346381), (16641, 1212177), (18189, 1109013), (25791, 782127), (49923, 404059), (54567, 369671), (77373, 260709), (86903, 232119)]