68013813

素因数分解:

$3^1\times 7^3\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 106681600

約数和(自身を除く): 38667787

約数列:

[1, 3, 7, 21, 49, 147, 157, 343, 421, 471, 1029, 1099, 1263, 2947, 3297, 7693, 8841, 20629, 23079, 53851, 61887, 66097, 144403, 161553, 198291, 433209, 462679, 1388037, 3238753, 9716259, 22671271, 68013813]

約数ペア:

[(1, 68013813), (3, 22671271), (7, 9716259), (21, 3238753), (49, 1388037), (147, 462679), (157, 433209), (343, 198291), (421, 161553), (471, 144403), (1029, 66097), (1099, 61887), (1263, 53851), (2947, 23079), (3297, 20629), (7693, 8841)]