205531921

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1801}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 255141576

約数和(自身を除く): 49609655

約数列:

[1, 7, 17, 49, 119, 137, 833, 959, 1801, 2329, 6713, 12607, 16303, 30617, 88249, 114121, 214319, 246737, 1500233, 1727159, 4194529, 12090113, 29361703, 205531921]

約数ペア:

[(1, 205531921), (7, 29361703), (17, 12090113), (49, 4194529), (119, 1727159), (137, 1500233), (833, 246737), (959, 214319), (1801, 114121), (2329, 88249), (6713, 30617), (12607, 16303)]