218630715

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 359444736

約数和(自身を除く): 140814021

約数列:

[1, 3, 5, 15, 67, 83, 201, 249, 335, 415, 1005, 1245, 2621, 5561, 7863, 13105, 16683, 27805, 39315, 83415, 175607, 217543, 526821, 652629, 878035, 1087715, 2634105, 3263145, 14575381, 43726143, 72876905, 218630715]

約数ペア:

[(1, 218630715), (3, 72876905), (5, 43726143), (15, 14575381), (67, 3263145), (83, 2634105), (201, 1087715), (249, 878035), (335, 652629), (415, 526821), (1005, 217543), (1245, 175607), (2621, 83415), (5561, 39315), (7863, 27805), (13105, 16683)]