128127279

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1013}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 206369280

約数和(自身を除く): 78242001

約数列:

[1, 3, 7, 19, 21, 57, 133, 317, 399, 951, 1013, 2219, 3039, 6023, 6657, 7091, 18069, 19247, 21273, 42161, 57741, 126483, 134729, 321121, 404187, 963363, 2247847, 6101299, 6743541, 18303897, 42709093, 128127279]

約数ペア:

[(1, 128127279), (3, 42709093), (7, 18303897), (19, 6743541), (21, 6101299), (57, 2247847), (133, 963363), (317, 404187), (399, 321121), (951, 134729), (1013, 126483), (2219, 57741), (3039, 42161), (6023, 21273), (6657, 19247), (7091, 18069)]