142723395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 261817920

約数和(自身を除く): 119094525

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 657, 1035, 1095, 1679, 1889, 3285, 5037, 5667, 8395, 9445, 15111, 17001, 25185, 28335, 43447, 75555, 85005, 130341, 137897, 217235, 391023, 413691, 651705, 689485, 1241073, 1955115, 2068455, 3171631, 6205365, 9514893, 15858155, 28544679, 47574465, 142723395]

約数ペア:

[(1, 142723395), (3, 47574465), (5, 28544679), (9, 15858155), (15, 9514893), (23, 6205365), (45, 3171631), (69, 2068455), (73, 1955115), (115, 1241073), (207, 689485), (219, 651705), (345, 413691), (365, 391023), (657, 217235), (1035, 137897), (1095, 130341), (1679, 85005), (1889, 75555), (3285, 43447), (5037, 28335), (5667, 25185), (8395, 17001), (9445, 15111)]