16988145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 29078784

約数和(自身を除く): 12090639

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1201, 2829, 3603, 4715, 6005, 14145, 18015, 27623, 49241, 82869, 138115, 147723, 246205, 414345, 738615, 1132543, 3397629, 5662715, 16988145]

約数ペア:

[(1, 16988145), (3, 5662715), (5, 3397629), (15, 1132543), (23, 738615), (41, 414345), (69, 246205), (115, 147723), (123, 138115), (205, 82869), (345, 49241), (615, 27623), (943, 18015), (1201, 14145), (2829, 6005), (3603, 4715)]