51844065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 107520000

約数和(自身を除く): 55675935

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 1235, 1365, 1729, 1995, 1999, 3705, 5187, 5997, 8645, 9995, 13993, 25935, 25987, 29985, 37981, 41979, 69965, 77961, 113943, 129935, 181909, 189905, 209895, 265867, 389805, 493753, 545727, 569715, 797601, 909545, 1329335, 1481259, 2468765, 2728635, 3456271, 3988005, 7406295, 10368813, 17281355, 51844065]

約数ペア:

[(1, 51844065), (3, 17281355), (5, 10368813), (7, 7406295), (13, 3988005), (15, 3456271), (19, 2728635), (21, 2468765), (35, 1481259), (39, 1329335), (57, 909545), (65, 797601), (91, 569715), (95, 545727), (105, 493753), (133, 389805), (195, 265867), (247, 209895), (273, 189905), (285, 181909), (399, 129935), (455, 113943), (665, 77961), (741, 69965), (1235, 41979), (1365, 37981), (1729, 29985), (1995, 25987), (1999, 25935), (3705, 13993), (5187, 9995), (5997, 8645)]