217558818

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{66047}}^1$

素因数の和:66119

約数の個数: 32

約数和(自身を含む): 491397120

約数和(自身を除く): 273838302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 66047, 132094, 198141, 396282, 594423, 1188846, 1783269, 3566538, 4028867, 8057734, 12086601, 24173202, 36259803, 72519606, 108779409, 217558818]

約数ペア:

[(1, 217558818), (2, 108779409), (3, 72519606), (6, 36259803), (9, 24173202), (18, 12086601), (27, 8057734), (54, 4028867), (61, 3566538), (122, 1783269), (183, 1188846), (366, 594423), (549, 396282), (1098, 198141), (1647, 132094), (3294, 66047)]