137203479

素因数分解:

$3^2\times 7^2\times {\mathrm{421}}^1\times {\mathrm{739}}^1$

素因数の和:1180

約数の個数: 36

約数和(自身を含む): 231399480

約数和(自身を除く): 94196001

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 421, 441, 739, 1263, 2217, 2947, 3789, 5173, 6651, 8841, 15519, 20629, 26523, 36211, 46557, 61887, 108633, 185661, 311119, 325899, 933357, 2177833, 2800071, 6533499, 15244831, 19600497, 45734493, 137203479]

約数ペア:

[(1, 137203479), (3, 45734493), (7, 19600497), (9, 15244831), (21, 6533499), (49, 2800071), (63, 2177833), (147, 933357), (421, 325899), (441, 311119), (739, 185661), (1263, 108633), (2217, 61887), (2947, 46557), (3789, 36211), (5173, 26523), (6651, 20629), (8841, 15519)]