190020645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 351449280

約数和(自身を除く): 161428635

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 139, 153, 255, 417, 695, 765, 1251, 1787, 2085, 2363, 5361, 6255, 7089, 8935, 11815, 16083, 21267, 26805, 30379, 35445, 80415, 91137, 106335, 151895, 248393, 273411, 455685, 745179, 1241965, 1367055, 2235537, 3725895, 4222681, 11177685, 12668043, 21113405, 38004129, 63340215, 190020645]

約数ペア:

[(1, 190020645), (3, 63340215), (5, 38004129), (9, 21113405), (15, 12668043), (17, 11177685), (45, 4222681), (51, 3725895), (85, 2235537), (139, 1367055), (153, 1241965), (255, 745179), (417, 455685), (695, 273411), (765, 248393), (1251, 151895), (1787, 106335), (2085, 91137), (2363, 80415), (5361, 35445), (6255, 30379), (7089, 26805), (8935, 21267), (11815, 16083)]