420960001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{18917}}^1$

素因数の和:18969

約数の個数: 24

約数和(自身を含む): 557551296

約数和(自身を除く): 136591295

約数列:

[1, 7, 11, 17, 77, 119, 187, 289, 1309, 2023, 3179, 18917, 22253, 132419, 208087, 321589, 1456609, 2251123, 3537479, 5467013, 24762353, 38269091, 60137143, 420960001]

約数ペア:

[(1, 420960001), (7, 60137143), (11, 38269091), (17, 24762353), (77, 5467013), (119, 3537479), (187, 2251123), (289, 1456609), (1309, 321589), (2023, 208087), (3179, 132419), (18917, 22253)]