2154366921

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{120551}}^1$

素因数の和:120621

約数の個数: 32

約数和(自身を含む): 3518189568

約数和(自身を除く): 1363822647

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 2553, 5957, 17871, 120551, 361653, 843857, 2531571, 2772673, 4460387, 8318019, 13381161, 19408711, 31222709, 58226133, 93668127, 102588901, 307766703, 718122307, 2154366921]

約数ペア:

[(1, 2154366921), (3, 718122307), (7, 307766703), (21, 102588901), (23, 93668127), (37, 58226133), (69, 31222709), (111, 19408711), (161, 13381161), (259, 8318019), (483, 4460387), (777, 2772673), (851, 2531571), (2553, 843857), (5957, 361653), (17871, 120551)]