71642745

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5471}}^1$

素因数の和:5582

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 57058695

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 2619, 4365, 5471, 13095, 16413, 27355, 49239, 82065, 147717, 246195, 530687, 738585, 1592061, 2653435, 4776183, 7960305, 14328549, 23880915, 71642745]

約数ペア:

[(1, 71642745), (3, 23880915), (5, 14328549), (9, 7960305), (15, 4776183), (27, 2653435), (45, 1592061), (97, 738585), (135, 530687), (291, 246195), (485, 147717), (873, 82065), (1455, 49239), (2619, 27355), (4365, 16413), (5471, 13095)]