138468909

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 197591040

約数和(自身を除く): 59122131

約数列:

[1, 3, 31, 47, 79, 93, 141, 237, 401, 1203, 1457, 2449, 3713, 4371, 7347, 11139, 12431, 18847, 31679, 37293, 56541, 95037, 115103, 345309, 584257, 982049, 1488913, 1752771, 2946147, 4466739, 46156303, 138468909]

約数ペア:

[(1, 138468909), (3, 46156303), (31, 4466739), (47, 2946147), (79, 1752771), (93, 1488913), (141, 982049), (237, 584257), (401, 345309), (1203, 115103), (1457, 95037), (2449, 56541), (3713, 37293), (4371, 31679), (7347, 18847), (11139, 12431)]