28736085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 55922688

約数和(自身を除く): 27186603

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 73, 105, 115, 161, 163, 219, 345, 365, 483, 489, 511, 805, 815, 1095, 1141, 1533, 1679, 2415, 2445, 2555, 3423, 3749, 5037, 5705, 7665, 8395, 11247, 11753, 11899, 17115, 18745, 25185, 26243, 35259, 35697, 56235, 58765, 59495, 78729, 83293, 131215, 176295, 178485, 249879, 273677, 393645, 416465, 821031, 1249395, 1368385, 1915739, 4105155, 5747217, 9578695, 28736085]

約数ペア:

[(1, 28736085), (3, 9578695), (5, 5747217), (7, 4105155), (15, 1915739), (21, 1368385), (23, 1249395), (35, 821031), (69, 416465), (73, 393645), (105, 273677), (115, 249879), (161, 178485), (163, 176295), (219, 131215), (345, 83293), (365, 78729), (483, 59495), (489, 58765), (511, 56235), (805, 35697), (815, 35259), (1095, 26243), (1141, 25185), (1533, 18745), (1679, 17115), (2415, 11899), (2445, 11753), (2555, 11247), (3423, 8395), (3749, 7665), (5037, 5705)]