243490585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 327398400

約数和(自身を除く): 83907815

約数列:

[1, 5, 13, 31, 65, 149, 155, 403, 745, 811, 1937, 2015, 4055, 4619, 9685, 10543, 23095, 25141, 52715, 60047, 120839, 125705, 300235, 326833, 604195, 1570907, 1634165, 3746009, 7854535, 18730045, 48698117, 243490585]

約数ペア:

[(1, 243490585), (5, 48698117), (13, 18730045), (31, 7854535), (65, 3746009), (149, 1634165), (155, 1570907), (403, 604195), (745, 326833), (811, 300235), (1937, 125705), (2015, 120839), (4055, 60047), (4619, 52715), (9685, 25141), (10543, 23095)]