81520884

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{3911}}^1$

素因数の和:4117

約数の個数: 48

約数和(自身を含む): 212499840

約数和(自身を除く): 130978956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 1158, 1737, 2316, 3474, 3911, 5211, 6948, 7822, 10422, 11733, 15644, 20844, 23466, 35199, 46932, 70398, 105597, 140796, 211194, 422388, 754823, 1509646, 2264469, 3019292, 4528938, 6793407, 9057876, 13586814, 20380221, 27173628, 40760442, 81520884]

約数ペア:

[(1, 81520884), (2, 40760442), (3, 27173628), (4, 20380221), (6, 13586814), (9, 9057876), (12, 6793407), (18, 4528938), (27, 3019292), (36, 2264469), (54, 1509646), (108, 754823), (193, 422388), (386, 211194), (579, 140796), (772, 105597), (1158, 70398), (1737, 46932), (2316, 35199), (3474, 23466), (3911, 20844), (5211, 15644), (6948, 11733), (7822, 10422)]