28388187

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4729}}^1$

素因数の和:4787

約数の個数: 24

約数和(自身を含む): 44272800

約数和(自身を除く): 15884613

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 4729, 6003, 14187, 42561, 108767, 137141, 326301, 411423, 978903, 1234269, 3154243, 9462729, 28388187]

約数ペア:

[(1, 28388187), (3, 9462729), (9, 3154243), (23, 1234269), (29, 978903), (69, 411423), (87, 326301), (207, 137141), (261, 108767), (667, 42561), (2001, 14187), (4729, 6003)]