65067639

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 110315520

約数和(自身を除く): 45247881

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 147, 237, 273, 431, 553, 637, 1027, 1293, 1659, 1911, 3017, 3081, 3871, 5603, 7189, 9051, 11613, 16809, 21119, 21567, 34049, 39221, 50323, 63357, 102147, 117663, 150969, 238343, 274547, 442637, 715029, 823641, 1327911, 1668401, 3098459, 5005203, 9295377, 21689213, 65067639]

約数ペア:

[(1, 65067639), (3, 21689213), (7, 9295377), (13, 5005203), (21, 3098459), (39, 1668401), (49, 1327911), (79, 823641), (91, 715029), (147, 442637), (237, 274547), (273, 238343), (431, 150969), (553, 117663), (637, 102147), (1027, 63357), (1293, 50323), (1659, 39221), (1911, 34049), (3017, 21567), (3081, 21119), (3871, 16809), (5603, 11613), (7189, 9051)]