28190253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 47767552

約数和(自身を除く): 19577299

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3331, 8463, 9993, 23317, 43303, 69951, 103261, 129909, 303121, 309783, 722827, 909363, 1342393, 2168481, 4027179, 9396751, 28190253]

約数ペア:

[(1, 28190253), (3, 9396751), (7, 4027179), (13, 2168481), (21, 1342393), (31, 909363), (39, 722827), (91, 309783), (93, 303121), (217, 129909), (273, 103261), (403, 69951), (651, 43303), (1209, 23317), (2821, 9993), (3331, 8463)]