127308909

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 220774400

約数和(自身を除く): 93465491

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 307, 343, 403, 637, 651, 921, 1029, 1209, 1519, 1911, 2149, 2821, 3991, 4459, 4557, 6447, 8463, 9517, 10633, 11973, 13377, 15043, 19747, 27937, 28551, 31899, 45129, 59241, 66619, 83811, 105301, 123721, 138229, 195559, 199857, 315903, 371163, 414687, 466333, 586677, 866047, 1368913, 1398999, 2598141, 3264331, 4106739, 6062329, 9792993, 18186987, 42436303, 127308909]

約数ペア:

[(1, 127308909), (3, 42436303), (7, 18186987), (13, 9792993), (21, 6062329), (31, 4106739), (39, 3264331), (49, 2598141), (91, 1398999), (93, 1368913), (147, 866047), (217, 586677), (273, 466333), (307, 414687), (343, 371163), (403, 315903), (637, 199857), (651, 195559), (921, 138229), (1029, 123721), (1209, 105301), (1519, 83811), (1911, 66619), (2149, 59241), (2821, 45129), (3991, 31899), (4459, 28551), (4557, 27937), (6447, 19747), (8463, 15043), (9517, 13377), (10633, 11973)]