81969735

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 136028160

約数和(自身を除く): 54058425

約数列:

[1, 3, 5, 15, 31, 93, 155, 409, 431, 465, 1227, 1293, 2045, 2155, 6135, 6465, 12679, 13361, 38037, 40083, 63395, 66805, 176279, 190185, 200415, 528837, 881395, 2644185, 5464649, 16393947, 27323245, 81969735]

約数ペア:

[(1, 81969735), (3, 27323245), (5, 16393947), (15, 5464649), (31, 2644185), (93, 881395), (155, 528837), (409, 200415), (431, 190185), (465, 176279), (1227, 66805), (1293, 63395), (2045, 40083), (2155, 38037), (6135, 13361), (6465, 12679)]