221409537

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1\times {\mathrm{1801}}^1$

素因数の和:2800

約数の個数: 16

約数和(自身を含む): 302563008

約数和(自身を除く): 81153471

約数列:

[1, 3, 43, 129, 953, 1801, 2859, 5403, 40979, 77443, 122937, 232329, 1716353, 5149059, 73803179, 221409537]

約数ペア:

[(1, 221409537), (3, 73803179), (43, 5149059), (129, 1716353), (953, 232329), (1801, 122937), (2859, 77443), (5403, 40979)]