77597919

素因数分解:

$3^5\times 7^5\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 142746240

約数和(自身を除く): 65148321

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 243, 343, 399, 441, 513, 567, 931, 1029, 1197, 1323, 1539, 1701, 2401, 2793, 3087, 3591, 3969, 4617, 6517, 7203, 8379, 9261, 10773, 11907, 16807, 19551, 21609, 25137, 27783, 32319, 45619, 50421, 58653, 64827, 75411, 83349, 136857, 151263, 175959, 194481, 226233, 319333, 410571, 453789, 527877, 583443, 957999, 1231713, 1361367, 1583631, 2873997, 3695139, 4084101, 8621991, 11085417, 25865973, 77597919]

約数ペア:

[(1, 77597919), (3, 25865973), (7, 11085417), (9, 8621991), (19, 4084101), (21, 3695139), (27, 2873997), (49, 1583631), (57, 1361367), (63, 1231713), (81, 957999), (133, 583443), (147, 527877), (171, 453789), (189, 410571), (243, 319333), (343, 226233), (399, 194481), (441, 175959), (513, 151263), (567, 136857), (931, 83349), (1029, 75411), (1197, 64827), (1323, 58653), (1539, 50421), (1701, 45619), (2401, 32319), (2793, 27783), (3087, 25137), (3591, 21609), (3969, 19551), (4617, 16807), (6517, 11907), (7203, 10773), (8379, 9261)]