728423925

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 1224921600

約数和(自身を除く): 496497675

約数列:

[1, 3, 5, 15, 25, 75, 97, 223, 291, 449, 485, 669, 1115, 1347, 1455, 2245, 2425, 3345, 5575, 6735, 7275, 11225, 16725, 21631, 33675, 43553, 64893, 100127, 108155, 130659, 217765, 300381, 324465, 500635, 540775, 653295, 1088825, 1501905, 1622325, 2503175, 3266475, 7509525, 9712319, 29136957, 48561595, 145684785, 242807975, 728423925]

約数ペア:

[(1, 728423925), (3, 242807975), (5, 145684785), (15, 48561595), (25, 29136957), (75, 9712319), (97, 7509525), (223, 3266475), (291, 2503175), (449, 1622325), (485, 1501905), (669, 1088825), (1115, 653295), (1347, 540775), (1455, 500635), (2245, 324465), (2425, 300381), (3345, 217765), (5575, 130659), (6735, 108155), (7275, 100127), (11225, 64893), (16725, 43553), (21631, 33675)]