87400551

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4133}}^1$

素因数の和:4215

約数の個数: 32

約数和(自身を含む): 142871040

約数和(自身を除く): 55470489

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 3021, 4133, 7049, 12399, 21147, 28931, 78527, 86793, 219049, 235581, 549689, 657147, 1533343, 1649067, 4161931, 4600029, 12485793, 29133517, 87400551]

約数ペア:

[(1, 87400551), (3, 29133517), (7, 12485793), (19, 4600029), (21, 4161931), (53, 1649067), (57, 1533343), (133, 657147), (159, 549689), (371, 235581), (399, 219049), (1007, 86793), (1113, 78527), (3021, 28931), (4133, 21147), (7049, 12399)]