71470755

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1619}}^1$

素因数の和:1745

約数の個数: 40

約数和(自身を含む): 129373200

約数和(自身を除く): 57902445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1619, 1635, 2943, 4857, 4905, 8095, 8829, 14571, 14715, 24285, 43713, 44145, 72855, 131139, 176471, 218565, 529413, 655695, 882355, 1588239, 2647065, 4764717, 7941195, 14294151, 23823585, 71470755]

約数ペア:

[(1, 71470755), (3, 23823585), (5, 14294151), (9, 7941195), (15, 4764717), (27, 2647065), (45, 1588239), (81, 882355), (109, 655695), (135, 529413), (327, 218565), (405, 176471), (545, 131139), (981, 72855), (1619, 44145), (1635, 43713), (2943, 24285), (4857, 14715), (4905, 14571), (8095, 8829)]