28977333

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 52420608

約数和(自身を除く): 23443275

約数列:

[1, 3, 7, 11, 17, 21, 33, 47, 51, 77, 119, 141, 157, 187, 231, 329, 357, 471, 517, 561, 799, 987, 1099, 1309, 1551, 1727, 2397, 2669, 3297, 3619, 3927, 5181, 5593, 7379, 8007, 8789, 10857, 12089, 16779, 18683, 22137, 26367, 29359, 36267, 51653, 56049, 61523, 81169, 88077, 125443, 154959, 184569, 205513, 243507, 376329, 568183, 616539, 878101, 1379873, 1704549, 2634303, 4139619, 9659111, 28977333]

約数ペア:

[(1, 28977333), (3, 9659111), (7, 4139619), (11, 2634303), (17, 1704549), (21, 1379873), (33, 878101), (47, 616539), (51, 568183), (77, 376329), (119, 243507), (141, 205513), (157, 184569), (187, 154959), (231, 125443), (329, 88077), (357, 81169), (471, 61523), (517, 56049), (561, 51653), (799, 36267), (987, 29359), (1099, 26367), (1309, 22137), (1551, 18683), (1727, 16779), (2397, 12089), (2669, 10857), (3297, 8789), (3619, 8007), (3927, 7379), (5181, 5593)]