20930105931

素因数分解:

$3^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{155269}}^1$

素因数の和:155424

約数の個数: 32

約数和(自身を含む): 32793024000

約数和(自身を除く): 11862918069

約数列:

[1, 3, 7, 21, 49, 131, 147, 343, 393, 917, 1029, 2751, 6419, 19257, 44933, 134799, 155269, 465807, 1086883, 3260649, 7608181, 20340239, 22824543, 53257267, 61020717, 142381673, 159771801, 427145019, 996671711, 2990015133, 6976701977, 20930105931]

約数ペア:

[(1, 20930105931), (3, 6976701977), (7, 2990015133), (21, 996671711), (49, 427145019), (131, 159771801), (147, 142381673), (343, 61020717), (393, 53257267), (917, 22824543), (1029, 20340239), (2751, 7608181), (6419, 3260649), (19257, 1086883), (44933, 465807), (134799, 155269)]