64864515

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 108115776

約数和(自身を除く): 43251261

約数列:

[1, 3, 5, 15, 37, 73, 111, 185, 219, 365, 555, 1095, 1601, 2701, 4803, 8005, 8103, 13505, 24015, 40515, 59237, 116873, 177711, 296185, 350619, 584365, 888555, 1753095, 4324301, 12972903, 21621505, 64864515]

約数ペア:

[(1, 64864515), (3, 21621505), (5, 12972903), (15, 4324301), (37, 1753095), (73, 888555), (111, 584365), (185, 350619), (219, 296185), (365, 177711), (555, 116873), (1095, 59237), (1601, 40515), (2701, 24015), (4803, 13505), (8005, 8103)]