396021927

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 612057600

約数和(自身を除く): 216035673

約数列:

[1, 3, 7, 21, 137, 179, 411, 537, 769, 959, 1253, 2307, 2877, 3759, 5383, 16149, 24523, 73569, 105353, 137651, 171661, 316059, 412953, 514983, 737471, 963557, 2212413, 2890671, 18858187, 56574561, 132007309, 396021927]

約数ペア:

[(1, 396021927), (3, 132007309), (7, 56574561), (21, 18858187), (137, 2890671), (179, 2212413), (411, 963557), (537, 737471), (769, 514983), (959, 412953), (1253, 316059), (2307, 171661), (2877, 137651), (3759, 105353), (5383, 73569), (16149, 24523)]