77897205

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 142960896

約数和(自身を除く): 65063691

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 657, 1031, 1035, 1095, 1679, 3093, 3285, 5037, 5155, 8395, 9279, 15111, 15465, 23713, 25185, 46395, 71139, 75263, 75555, 118565, 213417, 225789, 355695, 376315, 677367, 1067085, 1128945, 1731049, 3386835, 5193147, 8655245, 15579441, 25965735, 77897205]

約数ペア:

[(1, 77897205), (3, 25965735), (5, 15579441), (9, 8655245), (15, 5193147), (23, 3386835), (45, 1731049), (69, 1128945), (73, 1067085), (115, 677367), (207, 376315), (219, 355695), (345, 225789), (365, 213417), (657, 118565), (1031, 75555), (1035, 75263), (1095, 71139), (1679, 46395), (3093, 25185), (3285, 23713), (5037, 15465), (5155, 15111), (8395, 9279)]