78722631

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 56752569

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 79, 117, 153, 167, 221, 237, 351, 459, 501, 663, 711, 1027, 1343, 1503, 1989, 2133, 2171, 2839, 3081, 4029, 4509, 5967, 6513, 8517, 9243, 12087, 13193, 17459, 19539, 25551, 27729, 36261, 36907, 39579, 52377, 58617, 76653, 110721, 118737, 157131, 171509, 224281, 332163, 356211, 471393, 514527, 672843, 996489, 1543581, 2018529, 2915653, 4630743, 6055587, 8746959, 26240877, 78722631]

約数ペア:

[(1, 78722631), (3, 26240877), (9, 8746959), (13, 6055587), (17, 4630743), (27, 2915653), (39, 2018529), (51, 1543581), (79, 996489), (117, 672843), (153, 514527), (167, 471393), (221, 356211), (237, 332163), (351, 224281), (459, 171509), (501, 157131), (663, 118737), (711, 110721), (1027, 76653), (1343, 58617), (1503, 52377), (1989, 39579), (2133, 36907), (2171, 36261), (2839, 27729), (3081, 25551), (4029, 19539), (4509, 17459), (5967, 13193), (6513, 12087), (8517, 9243)]