815295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 1455552

約数和(自身を除く): 640257

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 113, 185, 195, 339, 481, 555, 565, 1443, 1469, 1695, 2405, 4181, 4407, 7215, 7345, 12543, 20905, 22035, 54353, 62715, 163059, 271765, 815295]

約数ペア:

[(1, 815295), (3, 271765), (5, 163059), (13, 62715), (15, 54353), (37, 22035), (39, 20905), (65, 12543), (111, 7345), (113, 7215), (185, 4407), (195, 4181), (339, 2405), (481, 1695), (555, 1469), (565, 1443)]