13720155

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 9262245

約数列:

[1, 3, 5, 15, 37, 59, 111, 177, 185, 295, 419, 555, 885, 1257, 2095, 2183, 6285, 6549, 10915, 15503, 24721, 32745, 46509, 74163, 77515, 123605, 232545, 370815, 914677, 2744031, 4573385, 13720155]

約数ペア:

[(1, 13720155), (3, 4573385), (5, 2744031), (15, 914677), (37, 370815), (59, 232545), (111, 123605), (177, 77515), (185, 74163), (295, 46509), (419, 32745), (555, 24721), (885, 15503), (1257, 10915), (2095, 6549), (2183, 6285)]