1247408025

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{210533}}^1$

素因数の和:210625

約数の個数: 24

約数和(自身を含む): 2088497280

約数和(自身を除く): 841089255

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 5925, 210533, 631599, 1052665, 3157995, 5263325, 15789975, 16632107, 49896321, 83160535, 249481605, 415802675, 1247408025]

約数ペア:

[(1, 1247408025), (3, 415802675), (5, 249481605), (15, 83160535), (25, 49896321), (75, 16632107), (79, 15789975), (237, 5263325), (395, 3157995), (1185, 1052665), (1975, 631599), (5925, 210533)]