208432995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2591}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 346374144

約数和(自身を除く): 137941149

約数列:

[1, 3, 5, 15, 31, 93, 155, 173, 465, 519, 865, 2591, 2595, 5363, 7773, 12955, 16089, 26815, 38865, 80321, 80445, 240963, 401605, 448243, 1204815, 1344729, 2241215, 6723645, 13895533, 41686599, 69477665, 208432995]

約数ペア:

[(1, 208432995), (3, 69477665), (5, 41686599), (15, 13895533), (31, 6723645), (93, 2241215), (155, 1344729), (173, 1204815), (465, 448243), (519, 401605), (865, 240963), (2591, 80445), (2595, 80321), (5363, 38865), (7773, 26815), (12955, 16089)]