68863431

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 119275520

約数和(自身を除く): 50412089

約数列:

[1, 3, 7, 13, 21, 31, 39, 79, 91, 93, 103, 217, 237, 273, 309, 403, 553, 651, 721, 1027, 1209, 1339, 1659, 2163, 2449, 2821, 3081, 3193, 4017, 7189, 7347, 8137, 8463, 9373, 9579, 17143, 21567, 22351, 24411, 28119, 31837, 41509, 51429, 56959, 67053, 95511, 105781, 124527, 170877, 222859, 252247, 290563, 317343, 668577, 740467, 756741, 871689, 1765729, 2221401, 3279211, 5297187, 9837633, 22954477, 68863431]

約数ペア:

[(1, 68863431), (3, 22954477), (7, 9837633), (13, 5297187), (21, 3279211), (31, 2221401), (39, 1765729), (79, 871689), (91, 756741), (93, 740467), (103, 668577), (217, 317343), (237, 290563), (273, 252247), (309, 222859), (403, 170877), (553, 124527), (651, 105781), (721, 95511), (1027, 67053), (1209, 56959), (1339, 51429), (1659, 41509), (2163, 31837), (2449, 28119), (2821, 24411), (3081, 22351), (3193, 21567), (4017, 17143), (7189, 9579), (7347, 9373), (8137, 8463)]