8144787

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 13248000

約数和(自身を除く): 5103213

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 149, 399, 411, 447, 959, 1043, 2603, 2831, 2877, 3129, 7809, 8493, 18221, 19817, 20413, 54663, 59451, 61239, 142891, 387847, 428673, 1163541, 2714929, 8144787]

約数ペア:

[(1, 8144787), (3, 2714929), (7, 1163541), (19, 428673), (21, 387847), (57, 142891), (133, 61239), (137, 59451), (149, 54663), (399, 20413), (411, 19817), (447, 18221), (959, 8493), (1043, 7809), (2603, 3129), (2831, 2877)]