38640789

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 64658880

約数和(自身を除く): 26018091

約数列:

[1, 3, 9, 11, 29, 33, 43, 87, 99, 129, 261, 313, 319, 387, 473, 939, 957, 1247, 1419, 2817, 2871, 3443, 3741, 4257, 9077, 10329, 11223, 13459, 13717, 27231, 30987, 40377, 41151, 81693, 99847, 121131, 123453, 148049, 299541, 390311, 444147, 898623, 1170933, 1332441, 3512799, 4293421, 12880263, 38640789]

約数ペア:

[(1, 38640789), (3, 12880263), (9, 4293421), (11, 3512799), (29, 1332441), (33, 1170933), (43, 898623), (87, 444147), (99, 390311), (129, 299541), (261, 148049), (313, 123453), (319, 121131), (387, 99847), (473, 81693), (939, 41151), (957, 40377), (1247, 30987), (1419, 27231), (2817, 13717), (2871, 13459), (3443, 11223), (3741, 10329), (4257, 9077)]