27642979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 8483741

約数列:

[1, 7, 13, 31, 41, 91, 217, 239, 287, 403, 533, 1271, 1673, 2821, 3107, 3731, 7409, 8897, 9799, 16523, 21749, 51863, 68593, 96317, 115661, 127387, 303769, 674219, 891709, 2126383, 3948997, 27642979]

約数ペア:

[(1, 27642979), (7, 3948997), (13, 2126383), (31, 891709), (41, 674219), (91, 303769), (217, 127387), (239, 115661), (287, 96317), (403, 68593), (533, 51863), (1271, 21749), (1673, 16523), (2821, 9799), (3107, 8897), (3731, 7409)]