65557245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 120766464

約数和(自身を除く): 55209219

約数列:

[1, 3, 5, 13, 15, 23, 39, 47, 65, 69, 115, 141, 195, 235, 299, 311, 345, 611, 705, 897, 933, 1081, 1495, 1555, 1833, 3055, 3243, 4043, 4485, 4665, 5405, 7153, 9165, 12129, 14053, 14617, 16215, 20215, 21459, 35765, 42159, 43851, 60645, 70265, 73085, 92989, 107295, 190021, 210795, 219255, 278967, 336191, 464945, 570063, 950105, 1008573, 1394835, 1680955, 2850315, 4370483, 5042865, 13111449, 21852415, 65557245]

約数ペア:

[(1, 65557245), (3, 21852415), (5, 13111449), (13, 5042865), (15, 4370483), (23, 2850315), (39, 1680955), (47, 1394835), (65, 1008573), (69, 950105), (115, 570063), (141, 464945), (195, 336191), (235, 278967), (299, 219255), (311, 210795), (345, 190021), (611, 107295), (705, 92989), (897, 73085), (933, 70265), (1081, 60645), (1495, 43851), (1555, 42159), (1833, 35765), (3055, 21459), (3243, 20215), (4043, 16215), (4485, 14617), (4665, 14053), (5405, 12129), (7153, 9165)]