42739011

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 73944000

約数和(自身を除く): 31204989

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 149, 157, 203, 261, 447, 471, 609, 1043, 1099, 1341, 1413, 1827, 3129, 3297, 4321, 4553, 9387, 9891, 12963, 13659, 23393, 30247, 31871, 38889, 40977, 70179, 90741, 95613, 163751, 210537, 272223, 286839, 491253, 678397, 1473759, 2035191, 4748779, 6105573, 14246337, 42739011]

約数ペア:

[(1, 42739011), (3, 14246337), (7, 6105573), (9, 4748779), (21, 2035191), (29, 1473759), (63, 678397), (87, 491253), (149, 286839), (157, 272223), (203, 210537), (261, 163751), (447, 95613), (471, 90741), (609, 70179), (1043, 40977), (1099, 38889), (1341, 31871), (1413, 30247), (1827, 23393), (3129, 13659), (3297, 12963), (4321, 9891), (4553, 9387)]