13203081

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 21721920

約数和(自身を除く): 8518839

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 373, 437, 513, 621, 1119, 1311, 1539, 1863, 3357, 3933, 7087, 8579, 10071, 11799, 21261, 25737, 30213, 35397, 63783, 77211, 163001, 191349, 231633, 489003, 574047, 694899, 1467009, 4401027, 13203081]

約数ペア:

[(1, 13203081), (3, 4401027), (9, 1467009), (19, 694899), (23, 574047), (27, 489003), (57, 231633), (69, 191349), (81, 163001), (171, 77211), (207, 63783), (373, 35397), (437, 30213), (513, 25737), (621, 21261), (1119, 11799), (1311, 10071), (1539, 8579), (1863, 7087), (3357, 3933)]