81208908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 108

約数和(自身を含む): 229085584

約数和(自身を除く): 147876676

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 103, 121, 132, 181, 198, 206, 242, 309, 362, 363, 396, 412, 484, 543, 618, 724, 726, 927, 1086, 1089, 1133, 1236, 1452, 1629, 1854, 1991, 2172, 2178, 2266, 3258, 3399, 3708, 3982, 4356, 4532, 5973, 6516, 6798, 7964, 10197, 11946, 12463, 13596, 17919, 18643, 20394, 21901, 23892, 24926, 35838, 37286, 37389, 40788, 43802, 49852, 55929, 65703, 71676, 74572, 74778, 87604, 111858, 112167, 131406, 149556, 167787, 197109, 205073, 223716, 224334, 262812, 335574, 394218, 410146, 448668, 615219, 671148, 788436, 820292, 1230438, 1845657, 2255803, 2460876, 3691314, 4511606, 6767409, 7382628, 9023212, 13534818, 20302227, 27069636, 40604454, 81208908]

約数ペア:

[(1, 81208908), (2, 40604454), (3, 27069636), (4, 20302227), (6, 13534818), (9, 9023212), (11, 7382628), (12, 6767409), (18, 4511606), (22, 3691314), (33, 2460876), (36, 2255803), (44, 1845657), (66, 1230438), (99, 820292), (103, 788436), (121, 671148), (132, 615219), (181, 448668), (198, 410146), (206, 394218), (242, 335574), (309, 262812), (362, 224334), (363, 223716), (396, 205073), (412, 197109), (484, 167787), (543, 149556), (618, 131406), (724, 112167), (726, 111858), (927, 87604), (1086, 74778), (1089, 74572), (1133, 71676), (1236, 65703), (1452, 55929), (1629, 49852), (1854, 43802), (1991, 40788), (2172, 37389), (2178, 37286), (2266, 35838), (3258, 24926), (3399, 23892), (3708, 21901), (3982, 20394), (4356, 18643), (4532, 17919), (5973, 13596), (6516, 12463), (6798, 11946), (7964, 10197)]