72474921

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 107891784

約数和(自身を除く): 35416863

約数列:

[1, 3, 9, 41, 123, 197, 369, 591, 997, 1773, 2991, 8077, 8973, 24231, 40877, 72693, 122631, 196409, 367893, 589227, 1767681, 8052769, 24158307, 72474921]

約数ペア:

[(1, 72474921), (3, 24158307), (9, 8052769), (41, 1767681), (123, 589227), (197, 367893), (369, 196409), (591, 122631), (997, 72693), (1773, 40877), (2991, 24231), (8077, 8973)]