87784755

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 55915725

約数列:

[1, 3, 5, 15, 71, 139, 213, 355, 417, 593, 695, 1065, 1779, 2085, 2965, 8895, 9869, 29607, 42103, 49345, 82427, 126309, 148035, 210515, 247281, 412135, 631545, 1236405, 5852317, 17556951, 29261585, 87784755]

約数ペア:

[(1, 87784755), (3, 29261585), (5, 17556951), (15, 5852317), (71, 1236405), (139, 631545), (213, 412135), (355, 247281), (417, 210515), (593, 148035), (695, 126309), (1065, 82427), (1779, 49345), (2085, 42103), (2965, 29607), (8895, 9869)]