71253378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{751}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 181923840

約数和(自身を除く): 110670462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 251, 378, 502, 751, 753, 1502, 1506, 1757, 2253, 2259, 3514, 4506, 4518, 5257, 5271, 6759, 6777, 10514, 10542, 13518, 13554, 15771, 15813, 20277, 31542, 31626, 40554, 47313, 47439, 94626, 94878, 141939, 188501, 283878, 377002, 565503, 1131006, 1319507, 1696509, 2639014, 3393018, 3958521, 5089527, 7917042, 10179054, 11875563, 23751126, 35626689, 71253378]

約数ペア:

[(1, 71253378), (2, 35626689), (3, 23751126), (6, 11875563), (7, 10179054), (9, 7917042), (14, 5089527), (18, 3958521), (21, 3393018), (27, 2639014), (42, 1696509), (54, 1319507), (63, 1131006), (126, 565503), (189, 377002), (251, 283878), (378, 188501), (502, 141939), (751, 94878), (753, 94626), (1502, 47439), (1506, 47313), (1757, 40554), (2253, 31626), (2259, 31542), (3514, 20277), (4506, 15813), (4518, 15771), (5257, 13554), (5271, 13518), (6759, 10542), (6777, 10514)]