16684545

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 28138752

約数和(自身を除く): 11454207

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 345, 353, 411, 685, 1059, 1765, 2055, 3151, 5295, 8119, 9453, 15755, 24357, 40595, 47265, 48361, 121785, 145083, 241805, 725415, 1112303, 3336909, 5561515, 16684545]

約数ペア:

[(1, 16684545), (3, 5561515), (5, 3336909), (15, 1112303), (23, 725415), (69, 241805), (115, 145083), (137, 121785), (345, 48361), (353, 47265), (411, 40595), (685, 24357), (1059, 15755), (1765, 9453), (2055, 8119), (3151, 5295)]