28748643

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 50823936

約数和(自身を除く): 22075293

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 759, 773, 1127, 1617, 1771, 2319, 3381, 5313, 5411, 8503, 12397, 16233, 17779, 25509, 37191, 37877, 53337, 59521, 113631, 124453, 178563, 195569, 373359, 416647, 586707, 871171, 1249941, 1368983, 2613513, 4106949, 9582881, 28748643]

約数ペア:

[(1, 28748643), (3, 9582881), (7, 4106949), (11, 2613513), (21, 1368983), (23, 1249941), (33, 871171), (49, 586707), (69, 416647), (77, 373359), (147, 195569), (161, 178563), (231, 124453), (253, 113631), (483, 59521), (539, 53337), (759, 37877), (773, 37191), (1127, 25509), (1617, 17779), (1771, 16233), (2319, 12397), (3381, 8503), (5313, 5411)]