1390328205

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{270229}}^1$

素因数の和:270258

約数の個数: 32

約数和(自身を含む): 2594208000

約数和(自身を除く): 1203879795

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 270229, 810687, 1351145, 1891603, 4053435, 5674809, 9458015, 13241221, 28374045, 39723663, 66206105, 92688547, 198618315, 278065641, 463442735, 1390328205]

約数ペア:

[(1, 1390328205), (3, 463442735), (5, 278065641), (7, 198618315), (15, 92688547), (21, 66206105), (35, 39723663), (49, 28374045), (105, 13241221), (147, 9458015), (245, 5674809), (343, 4053435), (735, 1891603), (1029, 1351145), (1715, 810687), (5145, 270229)]