90978849

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 156441600

約数和(自身を除く): 65462751

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 79, 117, 153, 193, 221, 237, 351, 459, 579, 663, 711, 1027, 1343, 1737, 1989, 2133, 2509, 3081, 3281, 4029, 5211, 5967, 7527, 9243, 9843, 12087, 15247, 17459, 22581, 27729, 29529, 36261, 42653, 45741, 52377, 67743, 88587, 127959, 137223, 157131, 198211, 259199, 383877, 411669, 471393, 594633, 777597, 1151631, 1783899, 2332791, 3369587, 5351697, 6998373, 10108761, 30326283, 90978849]

約数ペア:

[(1, 90978849), (3, 30326283), (9, 10108761), (13, 6998373), (17, 5351697), (27, 3369587), (39, 2332791), (51, 1783899), (79, 1151631), (117, 777597), (153, 594633), (193, 471393), (221, 411669), (237, 383877), (351, 259199), (459, 198211), (579, 157131), (663, 137223), (711, 127959), (1027, 88587), (1343, 67743), (1737, 52377), (1989, 45741), (2133, 42653), (2509, 36261), (3081, 29529), (3281, 27729), (4029, 22581), (5211, 17459), (5967, 15247), (7527, 12087), (9243, 9843)]