245985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 424704

約数和(自身を除く): 178719

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 529, 713, 1587, 2139, 2645, 3565, 7935, 10695, 16399, 49197, 81995, 245985]

約数ペア:

[(1, 245985), (3, 81995), (5, 49197), (15, 16399), (23, 10695), (31, 7935), (69, 3565), (93, 2645), (115, 2139), (155, 1587), (345, 713), (465, 529)]