213380517

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5843}}^1$

素因数の和:5937

約数の個数: 32

約数和(自身を含む): 341102592

約数和(自身を除く): 127722075

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 5843, 12173, 17529, 36519, 40901, 122703, 216191, 274621, 648573, 823863, 1513337, 1922347, 4540011, 5767041, 10160977, 30482931, 71126839, 213380517]

約数ペア:

[(1, 213380517), (3, 71126839), (7, 30482931), (21, 10160977), (37, 5767041), (47, 4540011), (111, 1922347), (141, 1513337), (259, 823863), (329, 648573), (777, 274621), (987, 216191), (1739, 122703), (5217, 40901), (5843, 36519), (12173, 17529)]