42143913

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 72923136

約数和(自身を除く): 30779223

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 129, 141, 301, 329, 331, 387, 423, 903, 987, 993, 2021, 2317, 2709, 2961, 2979, 6063, 6951, 14147, 14233, 15557, 18189, 20853, 42441, 42699, 46671, 99631, 108899, 127323, 128097, 140013, 298893, 326697, 668951, 896679, 980091, 2006853, 4682657, 6020559, 14047971, 42143913]

約数ペア:

[(1, 42143913), (3, 14047971), (7, 6020559), (9, 4682657), (21, 2006853), (43, 980091), (47, 896679), (63, 668951), (129, 326697), (141, 298893), (301, 140013), (329, 128097), (331, 127323), (387, 108899), (423, 99631), (903, 46671), (987, 42699), (993, 42441), (2021, 20853), (2317, 18189), (2709, 15557), (2961, 14233), (2979, 14147), (6063, 6951)]