72637719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 57999081

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 53, 77, 119, 159, 187, 231, 349, 357, 371, 561, 583, 901, 1047, 1113, 1309, 1749, 2443, 2703, 3839, 3927, 4081, 5933, 6307, 7329, 9911, 11517, 12243, 17799, 18497, 18921, 26873, 29733, 41531, 55491, 65263, 69377, 80619, 124593, 129479, 195789, 203467, 208131, 314449, 388437, 456841, 610401, 943347, 1370523, 1424269, 2201143, 3458939, 4272807, 6603429, 10376817, 24212573, 72637719]

約数ペア:

[(1, 72637719), (3, 24212573), (7, 10376817), (11, 6603429), (17, 4272807), (21, 3458939), (33, 2201143), (51, 1424269), (53, 1370523), (77, 943347), (119, 610401), (159, 456841), (187, 388437), (231, 314449), (349, 208131), (357, 203467), (371, 195789), (561, 129479), (583, 124593), (901, 80619), (1047, 69377), (1113, 65263), (1309, 55491), (1749, 41531), (2443, 29733), (2703, 26873), (3839, 18921), (3927, 18497), (4081, 17799), (5933, 12243), (6307, 11517), (7329, 9911)]