1947331393

素因数分解:

$7^3\times {\mathrm{307}}^1\times {\mathrm{18493}}^1$

素因数の和:18821

約数の個数: 16

約数和(自身を含む): 2278460800

約数和(自身を除く): 331129407

約数列:

[1, 7, 49, 307, 343, 2149, 15043, 18493, 105301, 129451, 906157, 5677351, 6343099, 39741457, 278190199, 1947331393]

約数ペア:

[(1, 1947331393), (7, 278190199), (49, 39741457), (307, 6343099), (343, 5677351), (2149, 906157), (15043, 129451), (18493, 105301)]