215566455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12421}}^1$

素因数の和:12531

約数の個数: 32

約数和(自身を含む): 375641280

約数和(自身を除く): 160074825

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1335, 3471, 5785, 12421, 17355, 37263, 62105, 161473, 186315, 484419, 807365, 1105469, 2422095, 3316407, 5527345, 14371097, 16582035, 43113291, 71855485, 215566455]

約数ペア:

[(1, 215566455), (3, 71855485), (5, 43113291), (13, 16582035), (15, 14371097), (39, 5527345), (65, 3316407), (89, 2422095), (195, 1105469), (267, 807365), (445, 484419), (1157, 186315), (1335, 161473), (3471, 62105), (5785, 37263), (12421, 17355)]