215534879

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6257}}^1$

素因数の和:6327

約数の個数: 24

約数和(自身を含む): 271096560

約数和(自身を除く): 55561681

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 931, 1813, 4921, 6257, 34447, 43799, 118883, 231509, 306593, 832181, 1620563, 4398671, 5825267, 11343941, 30790697, 215534879]

約数ペア:

[(1, 215534879), (7, 30790697), (19, 11343941), (37, 5825267), (49, 4398671), (133, 1620563), (259, 832181), (703, 306593), (931, 231509), (1813, 118883), (4921, 43799), (6257, 34447)]