20151131511

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{608483}}^1$

素因数の和:608595

約数の個数: 32

約数和(自身を含む): 32712099840

約数和(自身を除く): 12560968329

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 4731, 11039, 33117, 608483, 1825449, 4259381, 11561177, 12778143, 34683531, 50504089, 80928239, 151512267, 242784717, 353528623, 959577691, 1060585869, 2878733073, 6717043837, 20151131511]

約数ペア:

[(1, 20151131511), (3, 6717043837), (7, 2878733073), (19, 1060585869), (21, 959577691), (57, 353528623), (83, 242784717), (133, 151512267), (249, 80928239), (399, 50504089), (581, 34683531), (1577, 12778143), (1743, 11561177), (4731, 4259381), (11039, 1825449), (33117, 608483)]