291215001

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{5231}}^1$

素因数の和:5493

約数の個数: 32

約数和(自身を含む): 486199296

約数和(自身を除く): 194984295

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 241, 723, 1687, 2651, 5061, 5231, 7953, 15693, 18557, 36617, 55671, 57541, 109851, 172623, 402787, 1208361, 1260671, 3782013, 8824697, 13867381, 26474091, 41602143, 97071667, 291215001]

約数ペア:

[(1, 291215001), (3, 97071667), (7, 41602143), (11, 26474091), (21, 13867381), (33, 8824697), (77, 3782013), (231, 1260671), (241, 1208361), (723, 402787), (1687, 172623), (2651, 109851), (5061, 57541), (5231, 55671), (7953, 36617), (15693, 18557)]