81391068

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 238203504

約数和(自身を除く): 156812436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 41, 44, 54, 66, 81, 82, 99, 108, 123, 132, 162, 164, 198, 246, 297, 324, 369, 396, 451, 492, 557, 594, 738, 891, 902, 1107, 1114, 1188, 1353, 1476, 1671, 1782, 1804, 2214, 2228, 2706, 3321, 3342, 3564, 4059, 4428, 5013, 5412, 6127, 6642, 6684, 8118, 10026, 12177, 12254, 13284, 15039, 16236, 18381, 20052, 22837, 24354, 24508, 30078, 36531, 36762, 45117, 45674, 48708, 55143, 60156, 68511, 73062, 73524, 90234, 91348, 110286, 137022, 146124, 165429, 180468, 205533, 220572, 251207, 274044, 330858, 411066, 496287, 502414, 616599, 661716, 753621, 822132, 992574, 1004828, 1233198, 1507242, 1849797, 1985148, 2260863, 2466396, 3014484, 3699594, 4521726, 6782589, 7399188, 9043452, 13565178, 20347767, 27130356, 40695534, 81391068]

約数ペア:

[(1, 81391068), (2, 40695534), (3, 27130356), (4, 20347767), (6, 13565178), (9, 9043452), (11, 7399188), (12, 6782589), (18, 4521726), (22, 3699594), (27, 3014484), (33, 2466396), (36, 2260863), (41, 1985148), (44, 1849797), (54, 1507242), (66, 1233198), (81, 1004828), (82, 992574), (99, 822132), (108, 753621), (123, 661716), (132, 616599), (162, 502414), (164, 496287), (198, 411066), (246, 330858), (297, 274044), (324, 251207), (369, 220572), (396, 205533), (451, 180468), (492, 165429), (557, 146124), (594, 137022), (738, 110286), (891, 91348), (902, 90234), (1107, 73524), (1114, 73062), (1188, 68511), (1353, 60156), (1476, 55143), (1671, 48708), (1782, 45674), (1804, 45117), (2214, 36762), (2228, 36531), (2706, 30078), (3321, 24508), (3342, 24354), (3564, 22837), (4059, 20052), (4428, 18381), (5013, 16236), (5412, 15039), (6127, 13284), (6642, 12254), (6684, 12177), (8118, 10026)]