17387721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 27188616

約数和(自身を除く): 9800895

約数列:

[1, 3, 9, 13, 39, 117, 353, 421, 1059, 1263, 3177, 3789, 4589, 5473, 13767, 16419, 41301, 49257, 148613, 445839, 1337517, 1931969, 5795907, 17387721]

約数ペア:

[(1, 17387721), (3, 5795907), (9, 1931969), (13, 1337517), (39, 445839), (117, 148613), (353, 49257), (421, 41301), (1059, 16419), (1263, 13767), (3177, 5473), (3789, 4589)]