17946315

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 32550336

約数和(自身を除く): 14604021

約数列:

[1, 3, 5, 9, 15, 41, 45, 71, 123, 137, 205, 213, 355, 369, 411, 615, 639, 685, 1065, 1233, 1845, 2055, 2911, 3195, 5617, 6165, 8733, 9727, 14555, 16851, 26199, 28085, 29181, 43665, 48635, 50553, 84255, 87543, 130995, 145905, 252765, 398807, 437715, 1196421, 1994035, 3589263, 5982105, 17946315]

約数ペア:

[(1, 17946315), (3, 5982105), (5, 3589263), (9, 1994035), (15, 1196421), (41, 437715), (45, 398807), (71, 252765), (123, 145905), (137, 130995), (205, 87543), (213, 84255), (355, 50553), (369, 48635), (411, 43665), (615, 29181), (639, 28085), (685, 26199), (1065, 16851), (1233, 14555), (1845, 9727), (2055, 8733), (2911, 6165), (3195, 5617)]