65420505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85517}}^1$

素因数の和:85545

約数の個数: 24

約数和(自身を含む): 120067272

約数和(自身を除く): 54646767

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 85517, 256551, 427585, 769653, 1282755, 1453789, 3848265, 4361367, 7268945, 13084101, 21806835, 65420505]

約数ペア:

[(1, 65420505), (3, 21806835), (5, 13084101), (9, 7268945), (15, 4361367), (17, 3848265), (45, 1453789), (51, 1282755), (85, 769653), (153, 427585), (255, 256551), (765, 85517)]