71028945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5279}}^1$

素因数の和:5326

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 67349295

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 5279, 13455, 15837, 26395, 47511, 68627, 79185, 121417, 205881, 237555, 343135, 364251, 607085, 617643, 1029405, 1092753, 1578421, 1821255, 3088215, 4735263, 5463765, 7892105, 14205789, 23676315, 71028945]

約数ペア:

[(1, 71028945), (3, 23676315), (5, 14205789), (9, 7892105), (13, 5463765), (15, 4735263), (23, 3088215), (39, 1821255), (45, 1578421), (65, 1092753), (69, 1029405), (115, 617643), (117, 607085), (195, 364251), (207, 343135), (299, 237555), (345, 205881), (585, 121417), (897, 79185), (1035, 68627), (1495, 47511), (2691, 26395), (4485, 15837), (5279, 13455)]