131778765

素因数分解:

$3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3889}}^1$

素因数の和:4154

約数の個数: 32

約数和(自身を含む): 235267200

約数和(自身を除く): 103488435

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 251, 753, 1255, 2259, 3765, 3889, 6777, 11295, 11667, 19445, 33885, 35001, 58335, 105003, 175005, 525015, 976139, 2928417, 4880695, 8785251, 14642085, 26355753, 43926255, 131778765]

約数ペア:

[(1, 131778765), (3, 43926255), (5, 26355753), (9, 14642085), (15, 8785251), (27, 4880695), (45, 2928417), (135, 976139), (251, 525015), (753, 175005), (1255, 105003), (2259, 58335), (3765, 35001), (3889, 33885), (6777, 19445), (11295, 11667)]