72781515

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 130291200

約数和(自身を除く): 57509685

約数列:

[1, 3, 5, 9, 15, 45, 59, 79, 177, 237, 295, 347, 395, 531, 711, 885, 1041, 1185, 1735, 2655, 3123, 3555, 4661, 5205, 13983, 15615, 20473, 23305, 27413, 41949, 61419, 69915, 82239, 102365, 137065, 184257, 209745, 246717, 307095, 411195, 921285, 1233585, 1617367, 4852101, 8086835, 14556303, 24260505, 72781515]

約数ペア:

[(1, 72781515), (3, 24260505), (5, 14556303), (9, 8086835), (15, 4852101), (45, 1617367), (59, 1233585), (79, 921285), (177, 411195), (237, 307095), (295, 246717), (347, 209745), (395, 184257), (531, 137065), (711, 102365), (885, 82239), (1041, 69915), (1185, 61419), (1735, 41949), (2655, 27413), (3123, 23305), (3555, 20473), (4661, 15615), (5205, 13983)]