81411285

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3121}}^1$

素因数の和:3213

約数の個数: 32

約数和(自身を含む): 136668672

約数和(自身を除く): 55257387

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 1739, 3121, 5217, 8695, 9363, 15605, 26085, 46815, 115477, 146687, 346431, 440061, 577385, 733435, 1732155, 2200305, 5427419, 16282257, 27137095, 81411285]

約数ペア:

[(1, 81411285), (3, 27137095), (5, 16282257), (15, 5427419), (37, 2200305), (47, 1732155), (111, 733435), (141, 577385), (185, 440061), (235, 346431), (555, 146687), (705, 115477), (1739, 46815), (3121, 26085), (5217, 15605), (8695, 9363)]