66714921

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 125483904

約数和(自身を除く): 58768983

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 243, 273, 351, 431, 441, 567, 637, 819, 1053, 1293, 1323, 1701, 1911, 2457, 3017, 3159, 3879, 3969, 5603, 5733, 7371, 9051, 11637, 11907, 16809, 17199, 21119, 22113, 27153, 34911, 39221, 50427, 51597, 63357, 81459, 104733, 117663, 151281, 154791, 190071, 244377, 274547, 352989, 453843, 570213, 733131, 823641, 1058967, 1361529, 1710639, 2470923, 3176901, 5131917, 7412769, 9530703, 22238307, 66714921]

約数ペア:

[(1, 66714921), (3, 22238307), (7, 9530703), (9, 7412769), (13, 5131917), (21, 3176901), (27, 2470923), (39, 1710639), (49, 1361529), (63, 1058967), (81, 823641), (91, 733131), (117, 570213), (147, 453843), (189, 352989), (243, 274547), (273, 244377), (351, 190071), (431, 154791), (441, 151281), (567, 117663), (637, 104733), (819, 81459), (1053, 63357), (1293, 51597), (1323, 50427), (1701, 39221), (1911, 34911), (2457, 27153), (3017, 22113), (3159, 21119), (3879, 17199), (3969, 16809), (5603, 11907), (5733, 11637), (7371, 9051)]