18200313

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 27448200

約数和(自身を除く): 9247887

約数列:

[1, 3, 9, 29, 87, 137, 261, 411, 509, 1233, 1527, 3973, 4581, 11919, 14761, 35757, 44283, 69733, 132849, 209199, 627597, 2022257, 6066771, 18200313]

約数ペア:

[(1, 18200313), (3, 6066771), (9, 2022257), (29, 627597), (87, 209199), (137, 132849), (261, 69733), (411, 44283), (509, 35757), (1233, 14761), (1527, 11919), (3973, 4581)]