30816819

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 20401101

約数列:

[1, 3, 9, 11, 33, 37, 47, 99, 111, 141, 179, 333, 407, 423, 517, 537, 1221, 1551, 1611, 1739, 1969, 3663, 4653, 5217, 5907, 6623, 8413, 15651, 17721, 19129, 19869, 25239, 57387, 59607, 72853, 75717, 92543, 172161, 218559, 277629, 311281, 655677, 832887, 933843, 2801529, 3424091, 10272273, 30816819]

約数ペア:

[(1, 30816819), (3, 10272273), (9, 3424091), (11, 2801529), (33, 933843), (37, 832887), (47, 655677), (99, 311281), (111, 277629), (141, 218559), (179, 172161), (333, 92543), (407, 75717), (423, 72853), (517, 59607), (537, 57387), (1221, 25239), (1551, 19869), (1611, 19129), (1739, 17721), (1969, 15651), (3663, 8413), (4653, 6623), (5217, 5907)]