72282021

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 112942080

約数和(自身を除く): 40660059

約数列:

[1, 3, 7, 21, 59, 177, 227, 257, 413, 681, 771, 1239, 1589, 1799, 4767, 5397, 13393, 15163, 40179, 45489, 58339, 93751, 106141, 175017, 281253, 318423, 408373, 1225119, 3442001, 10326003, 24094007, 72282021]

約数ペア:

[(1, 72282021), (3, 24094007), (7, 10326003), (21, 3442001), (59, 1225119), (177, 408373), (227, 318423), (257, 281253), (413, 175017), (681, 106141), (771, 93751), (1239, 58339), (1589, 45489), (1799, 40179), (4767, 15163), (5397, 13393)]