71686353

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 102961152

約数和(自身を除く): 31274799

約数列:

[1, 3, 31, 37, 83, 93, 111, 249, 251, 753, 1147, 2573, 3071, 3441, 7719, 7781, 9213, 9287, 20833, 23343, 27861, 62499, 95201, 285603, 287897, 645823, 770821, 863691, 1937469, 2312463, 23895451, 71686353]

約数ペア:

[(1, 71686353), (3, 23895451), (31, 2312463), (37, 1937469), (83, 863691), (93, 770821), (111, 645823), (249, 287897), (251, 285603), (753, 95201), (1147, 62499), (2573, 27861), (3071, 23343), (3441, 20833), (7719, 9287), (7781, 9213)]