81391959

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:737

約数の個数: 40

約数和(自身を含む): 133676928

約数和(自身を除く): 52284969

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 167, 297, 501, 547, 891, 1503, 1641, 1837, 4509, 4923, 5511, 6017, 13527, 14769, 16533, 18051, 44307, 49599, 54153, 91349, 148797, 162459, 274047, 487377, 822141, 1004839, 2466423, 3014517, 7399269, 9043551, 27130653, 81391959]

約数ペア:

[(1, 81391959), (3, 27130653), (9, 9043551), (11, 7399269), (27, 3014517), (33, 2466423), (81, 1004839), (99, 822141), (167, 487377), (297, 274047), (501, 162459), (547, 148797), (891, 91349), (1503, 54153), (1641, 49599), (1837, 44307), (4509, 18051), (4923, 16533), (5511, 14769), (6017, 13527)]