68388579

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12197}}^1$

素因数の和:12299

約数の個数: 24

約数和(自身を含む): 114173280

約数和(自身を除く): 45784701

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 12197, 36591, 85379, 109773, 256137, 768411, 1085533, 3256599, 7598731, 9769797, 22796193, 68388579]

約数ペア:

[(1, 68388579), (3, 22796193), (7, 9769797), (9, 7598731), (21, 3256599), (63, 1085533), (89, 768411), (267, 256137), (623, 109773), (801, 85379), (1869, 36591), (5607, 12197)]