51157785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25643}}^1$

素因数の和:25677

約数の個数: 32

約数和(自身を含む): 98472960

約数和(自身を除く): 47315175

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 25643, 76929, 128215, 179501, 384645, 487217, 538503, 897505, 1461651, 2436085, 2692515, 3410519, 7308255, 10231557, 17052595, 51157785]

約数ペア:

[(1, 51157785), (3, 17052595), (5, 10231557), (7, 7308255), (15, 3410519), (19, 2692515), (21, 2436085), (35, 1461651), (57, 897505), (95, 538503), (105, 487217), (133, 384645), (285, 179501), (399, 128215), (665, 76929), (1995, 25643)]