78970875

素因数分解:

$3^1\times 5^3\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 132088320

約数和(自身を除く): 53117445

約数列:

[1, 3, 5, 15, 25, 75, 125, 251, 375, 753, 839, 1255, 2517, 3765, 4195, 6275, 12585, 18825, 20975, 31375, 62925, 94125, 104875, 210589, 314625, 631767, 1052945, 3158835, 5264725, 15794175, 26323625, 78970875]

約数ペア:

[(1, 78970875), (3, 26323625), (5, 15794175), (15, 5264725), (25, 3158835), (75, 1052945), (125, 631767), (251, 314625), (375, 210589), (753, 104875), (839, 94125), (1255, 62925), (2517, 31375), (3765, 20975), (4195, 18825), (6275, 12585)]