9871509975

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{4129}}^1$

素因数の和:4520

約数の個数: 48

約数和(自身を含む): 16518942720

約数和(自身を除く): 6647432745

約数列:

[1, 3, 5, 15, 25, 75, 127, 251, 381, 635, 753, 1255, 1905, 3175, 3765, 4129, 6275, 9525, 12387, 18825, 20645, 31877, 61935, 95631, 103225, 159385, 309675, 478155, 524383, 796925, 1036379, 1573149, 2390775, 2621915, 3109137, 5181895, 7865745, 13109575, 15545685, 25909475, 39328725, 77728425, 131620133, 394860399, 658100665, 1974301995, 3290503325, 9871509975]

約数ペア:

[(1, 9871509975), (3, 3290503325), (5, 1974301995), (15, 658100665), (25, 394860399), (75, 131620133), (127, 77728425), (251, 39328725), (381, 25909475), (635, 15545685), (753, 13109575), (1255, 7865745), (1905, 5181895), (3175, 3109137), (3765, 2621915), (4129, 2390775), (6275, 1573149), (9525, 1036379), (12387, 796925), (18825, 524383), (20645, 478155), (31877, 309675), (61935, 159385), (95631, 103225)]