1620232719

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{9931}}^1$

素因数の和:10415

約数の個数: 32

約数和(自身を含む): 2620141056

約数和(自身を除く): 999908337

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 457, 1371, 3199, 7769, 9597, 9931, 23307, 29793, 54383, 69517, 163149, 168827, 208551, 506481, 1181789, 3545367, 4538467, 13615401, 31769269, 77153939, 95307807, 231461817, 540077573, 1620232719]

約数ペア:

[(1, 1620232719), (3, 540077573), (7, 231461817), (17, 95307807), (21, 77153939), (51, 31769269), (119, 13615401), (357, 4538467), (457, 3545367), (1371, 1181789), (3199, 506481), (7769, 208551), (9597, 168827), (9931, 163149), (23307, 69517), (29793, 54383)]