87220305

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27299}}^1$

素因数の和:27381

約数の個数: 24

約数和(自身を含む): 153316800

約数和(自身を除く): 66096495

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 27299, 81897, 136495, 245691, 409485, 1228455, 1938229, 5814687, 9691145, 17444061, 29073435, 87220305]

約数ペア:

[(1, 87220305), (3, 29073435), (5, 17444061), (9, 9691145), (15, 5814687), (45, 1938229), (71, 1228455), (213, 409485), (355, 245691), (639, 136495), (1065, 81897), (3195, 27299)]