15372981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 25945920

約数和(自身を除く): 10572939

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 131, 153, 177, 221, 393, 531, 663, 767, 1003, 1179, 1703, 1989, 2227, 2301, 3009, 5109, 6681, 6903, 7729, 9027, 13039, 15327, 20043, 23187, 28951, 39117, 69561, 86853, 100477, 117351, 131393, 260559, 301431, 394179, 904293, 1182537, 1708109, 5124327, 15372981]

約数ペア:

[(1, 15372981), (3, 5124327), (9, 1708109), (13, 1182537), (17, 904293), (39, 394179), (51, 301431), (59, 260559), (117, 131393), (131, 117351), (153, 100477), (177, 86853), (221, 69561), (393, 39117), (531, 28951), (663, 23187), (767, 20043), (1003, 15327), (1179, 13039), (1703, 9027), (1989, 7729), (2227, 6903), (2301, 6681), (3009, 5109)]