2154285

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{977}}^1$

素因数の和:1002

約数の個数: 36

約数和(自身を含む): 4348188

約数和(自身を除く): 2193903

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 977, 2205, 2931, 4885, 6839, 8793, 14655, 20517, 34195, 43965, 47873, 61551, 102585, 143619, 239365, 307755, 430857, 718095, 2154285]

約数ペア:

[(1, 2154285), (3, 718095), (5, 430857), (7, 307755), (9, 239365), (15, 143619), (21, 102585), (35, 61551), (45, 47873), (49, 43965), (63, 34195), (105, 20517), (147, 14655), (245, 8793), (315, 6839), (441, 4885), (735, 2931), (977, 2205)]