87561315

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21863}}^1$

素因数の和:21963

約数の個数: 24

約数和(自身を含む): 153485280

約数和(自身を除く): 65923965

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 21863, 65589, 109315, 196767, 327945, 983835, 1945807, 5837421, 9729035, 17512263, 29187105, 87561315]

約数ペア:

[(1, 87561315), (3, 29187105), (5, 17512263), (9, 9729035), (15, 5837421), (45, 1945807), (89, 983835), (267, 327945), (445, 196767), (801, 109315), (1335, 65589), (4005, 21863)]