56111985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 105552720

約数和(自身を除く): 49440735

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 1789, 1845, 2091, 3485, 5367, 6273, 8945, 10455, 16101, 26835, 30413, 31365, 73349, 80505, 91239, 152065, 220047, 273717, 366745, 456195, 660141, 1100235, 1246933, 1368585, 3300705, 3740799, 6234665, 11222397, 18703995, 56111985]

約数ペア:

[(1, 56111985), (3, 18703995), (5, 11222397), (9, 6234665), (15, 3740799), (17, 3300705), (41, 1368585), (45, 1246933), (51, 1100235), (85, 660141), (123, 456195), (153, 366745), (205, 273717), (255, 220047), (369, 152065), (615, 91239), (697, 80505), (765, 73349), (1789, 31365), (1845, 30413), (2091, 26835), (3485, 16101), (5367, 10455), (6273, 8945)]