278317627635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62969}}^1\times {\mathrm{17333}}^1$

素因数の和:80327

約数の個数: 32

約数和(自身を含む): 471537495360

約数和(自身を除く): 193219867725

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 17333, 51999, 62969, 86665, 188907, 259995, 294661, 314845, 883983, 944535, 1070473, 1473305, 3211419, 4419915, 5352365, 16057095, 1091441677, 3274325031, 5457208385, 16371625155, 18554508509, 55663525527, 92772542545, 278317627635]

約数ペア:

[(1, 278317627635), (3, 92772542545), (5, 55663525527), (15, 18554508509), (17, 16371625155), (51, 5457208385), (85, 3274325031), (255, 1091441677), (17333, 16057095), (51999, 5352365), (62969, 4419915), (86665, 3211419), (188907, 1473305), (259995, 1070473), (294661, 944535), (314845, 883983)]