51780045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 88179840

約数和(自身を除く): 36399795

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 753, 809, 1255, 2427, 3765, 4045, 4267, 12135, 12801, 13753, 21335, 41259, 64005, 68765, 203059, 206295, 609177, 1015295, 3045885, 3452003, 10356009, 17260015, 51780045]

約数ペア:

[(1, 51780045), (3, 17260015), (5, 10356009), (15, 3452003), (17, 3045885), (51, 1015295), (85, 609177), (251, 206295), (255, 203059), (753, 68765), (809, 64005), (1255, 41259), (2427, 21335), (3765, 13753), (4045, 12801), (4267, 12135)]