203895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 370656

約数和(自身を除く): 166761

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 197, 207, 345, 591, 985, 1035, 1773, 2955, 4531, 8865, 13593, 22655, 40779, 67965, 203895]

約数ペア:

[(1, 203895), (3, 67965), (5, 40779), (9, 22655), (15, 13593), (23, 8865), (45, 4531), (69, 2955), (115, 1773), (197, 1035), (207, 985), (345, 591)]