27781565

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 12169795

約数列:

[1, 5, 7, 29, 35, 101, 145, 203, 271, 505, 707, 1015, 1355, 1897, 2929, 3535, 7859, 9485, 14645, 20503, 27371, 39295, 55013, 102515, 136855, 191597, 275065, 793759, 957985, 3968795, 5556313, 27781565]

約数ペア:

[(1, 27781565), (5, 5556313), (7, 3968795), (29, 957985), (35, 793759), (101, 275065), (145, 191597), (203, 136855), (271, 102515), (505, 55013), (707, 39295), (1015, 27371), (1355, 20503), (1897, 14645), (2929, 9485), (3535, 7859)]