643593531

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{13159}}^1$

素因数の和:13323

約数の個数: 32

約数和(自身を含む): 1046062080

約数和(自身を除く): 402468549

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 959, 2329, 2877, 6987, 13159, 16303, 39477, 48909, 92113, 223703, 276339, 671109, 1565921, 1802783, 4697763, 5408349, 12619481, 30647311, 37858443, 91941933, 214531177, 643593531]

約数ペア:

[(1, 643593531), (3, 214531177), (7, 91941933), (17, 37858443), (21, 30647311), (51, 12619481), (119, 5408349), (137, 4697763), (357, 1802783), (411, 1565921), (959, 671109), (2329, 276339), (2877, 223703), (6987, 92113), (13159, 48909), (16303, 39477)]