3905811

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 3432429

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 251, 273, 399, 741, 753, 819, 1197, 1729, 1757, 2223, 2259, 3263, 4769, 5187, 5271, 9789, 14307, 15561, 15813, 22841, 29367, 33383, 42921, 61997, 68523, 100149, 185991, 205569, 300447, 433979, 557973, 1301937, 3905811]

約数ペア:

[(1, 3905811), (3, 1301937), (7, 557973), (9, 433979), (13, 300447), (19, 205569), (21, 185991), (39, 100149), (57, 68523), (63, 61997), (91, 42921), (117, 33383), (133, 29367), (171, 22841), (247, 15813), (251, 15561), (273, 14307), (399, 9789), (741, 5271), (753, 5187), (819, 4769), (1197, 3263), (1729, 2259), (1757, 2223)]