72828987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8521}}^1$

素因数の和:8579

約数の個数: 32

約数和(自身を含む): 124353024

約数和(自身を除く): 51524037

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8521, 8547, 25563, 59647, 93731, 178941, 281193, 315277, 656117, 945831, 1968351, 2206939, 3468047, 6620817, 10404141, 24276329, 72828987]

約数ペア:

[(1, 72828987), (3, 24276329), (7, 10404141), (11, 6620817), (21, 3468047), (33, 2206939), (37, 1968351), (77, 945831), (111, 656117), (231, 315277), (259, 281193), (407, 178941), (777, 93731), (1221, 59647), (2849, 25563), (8521, 8547)]