42691455

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 78702624

約数和(自身を除く): 36011169

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 857, 1107, 1215, 1845, 2571, 3321, 4285, 5535, 7713, 9963, 12855, 16605, 23139, 35137, 38565, 49815, 69417, 105411, 115695, 175685, 208251, 316233, 347085, 527055, 948699, 1041255, 1581165, 2846097, 4743495, 8538291, 14230485, 42691455]

約数ペア:

[(1, 42691455), (3, 14230485), (5, 8538291), (9, 4743495), (15, 2846097), (27, 1581165), (41, 1041255), (45, 948699), (81, 527055), (123, 347085), (135, 316233), (205, 208251), (243, 175685), (369, 115695), (405, 105411), (615, 69417), (857, 49815), (1107, 38565), (1215, 35137), (1845, 23139), (2571, 16605), (3321, 12855), (4285, 9963), (5535, 7713)]