81672786

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 112

約数和(自身を含む): 205658880

約数和(自身を除く): 123986094

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 139, 162, 186, 234, 243, 278, 279, 351, 403, 417, 486, 558, 702, 729, 806, 834, 837, 1053, 1209, 1251, 1458, 1674, 1807, 2106, 2418, 2502, 2511, 3159, 3614, 3627, 3753, 4309, 5022, 5421, 6318, 7254, 7506, 7533, 8618, 9477, 10842, 10881, 11259, 12927, 15066, 16263, 18954, 21762, 22518, 22599, 25854, 32526, 32643, 33777, 38781, 45198, 48789, 56017, 65286, 67554, 77562, 97578, 97929, 101331, 112034, 116343, 146367, 168051, 195858, 202662, 232686, 292734, 293787, 336102, 349029, 439101, 504153, 587574, 698058, 878202, 1008306, 1047087, 1317303, 1512459, 2094174, 2634606, 3024918, 3141261, 4537377, 6282522, 9074754, 13612131, 27224262, 40836393, 81672786]

約数ペア:

[(1, 81672786), (2, 40836393), (3, 27224262), (6, 13612131), (9, 9074754), (13, 6282522), (18, 4537377), (26, 3141261), (27, 3024918), (31, 2634606), (39, 2094174), (54, 1512459), (62, 1317303), (78, 1047087), (81, 1008306), (93, 878202), (117, 698058), (139, 587574), (162, 504153), (186, 439101), (234, 349029), (243, 336102), (278, 293787), (279, 292734), (351, 232686), (403, 202662), (417, 195858), (486, 168051), (558, 146367), (702, 116343), (729, 112034), (806, 101331), (834, 97929), (837, 97578), (1053, 77562), (1209, 67554), (1251, 65286), (1458, 56017), (1674, 48789), (1807, 45198), (2106, 38781), (2418, 33777), (2502, 32643), (2511, 32526), (3159, 25854), (3614, 22599), (3627, 22518), (3753, 21762), (4309, 18954), (5022, 16263), (5421, 15066), (6318, 12927), (7254, 11259), (7506, 10881), (7533, 10842), (8618, 9477)]