253406139

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{587}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 394308096

約数和(自身を除く): 140901957

約数列:

[1, 3, 7, 21, 61, 183, 337, 427, 587, 1011, 1281, 1761, 2359, 4109, 7077, 12327, 20557, 35807, 61671, 107421, 143899, 197819, 250649, 431697, 593457, 751947, 1384733, 4154199, 12066959, 36200877, 84468713, 253406139]

約数ペア:

[(1, 253406139), (3, 84468713), (7, 36200877), (21, 12066959), (61, 4154199), (183, 1384733), (337, 751947), (427, 593457), (587, 431697), (1011, 250649), (1281, 197819), (1761, 143899), (2359, 107421), (4109, 61671), (7077, 35807), (12327, 20557)]