81275292

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107507}}^1$

素因数の和:107527

約数の個数: 48

約数和(自身を含む): 240817920

約数和(自身を除く): 159542628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107507, 215014, 322521, 430028, 645042, 752549, 967563, 1290084, 1505098, 1935126, 2257647, 2902689, 3010196, 3870252, 4515294, 5805378, 6772941, 9030588, 11610756, 13545882, 20318823, 27091764, 40637646, 81275292]

約数ペア:

[(1, 81275292), (2, 40637646), (3, 27091764), (4, 20318823), (6, 13545882), (7, 11610756), (9, 9030588), (12, 6772941), (14, 5805378), (18, 4515294), (21, 3870252), (27, 3010196), (28, 2902689), (36, 2257647), (42, 1935126), (54, 1505098), (63, 1290084), (84, 967563), (108, 752549), (126, 645042), (189, 430028), (252, 322521), (378, 215014), (756, 107507)]