87078981

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 137434752

約数和(自身を除く): 50355771

約数列:

[1, 3, 11, 17, 33, 51, 103, 121, 137, 187, 309, 363, 411, 561, 1133, 1507, 1751, 2057, 2329, 3399, 4521, 5253, 6171, 6987, 12463, 14111, 16577, 19261, 25619, 37389, 42333, 49731, 57783, 76857, 155221, 211871, 239887, 281809, 465663, 635613, 719661, 845427, 1707431, 2638757, 5122293, 7916271, 29026327, 87078981]

約数ペア:

[(1, 87078981), (3, 29026327), (11, 7916271), (17, 5122293), (33, 2638757), (51, 1707431), (103, 845427), (121, 719661), (137, 635613), (187, 465663), (309, 281809), (363, 239887), (411, 211871), (561, 155221), (1133, 76857), (1507, 57783), (1751, 49731), (2057, 42333), (2329, 37389), (3399, 25619), (4521, 19261), (5253, 16577), (6171, 14111), (6987, 12463)]