157217709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 237293568

約数和(自身を除く): 80075859

約数列:

[1, 3, 11, 31, 33, 93, 313, 341, 491, 939, 1023, 1473, 3443, 5401, 9703, 10329, 15221, 16203, 29109, 45663, 106733, 153683, 167431, 320199, 461049, 502293, 1690513, 4764173, 5071539, 14292519, 52405903, 157217709]

約数ペア:

[(1, 157217709), (3, 52405903), (11, 14292519), (31, 5071539), (33, 4764173), (93, 1690513), (313, 502293), (341, 461049), (491, 320199), (939, 167431), (1023, 153683), (1473, 106733), (3443, 45663), (5401, 29109), (9703, 16203), (10329, 15221)]