65996973

素因数分解:

$3^2\times 7^3\times {\mathrm{21379}}^1$

素因数の和:21406

約数の個数: 24

約数和(自身を含む): 111176000

約数和(自身を除く): 45179027

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 21379, 64137, 149653, 192411, 448959, 1047571, 1346877, 3142713, 7332997, 9428139, 21998991, 65996973]

約数ペア:

[(1, 65996973), (3, 21998991), (7, 9428139), (9, 7332997), (21, 3142713), (49, 1346877), (63, 1047571), (147, 448959), (343, 192411), (441, 149653), (1029, 64137), (3087, 21379)]