27809705

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 44914176

約数和(自身を除く): 17104471

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 245, 385, 539, 595, 607, 833, 935, 1309, 2695, 3035, 4165, 4249, 6545, 6677, 9163, 10319, 21245, 29743, 33385, 45815, 46739, 51595, 72233, 113509, 148715, 233695, 327173, 361165, 505631, 567545, 794563, 1635865, 2528155, 3972815, 5561941, 27809705]

約数ペア:

[(1, 27809705), (5, 5561941), (7, 3972815), (11, 2528155), (17, 1635865), (35, 794563), (49, 567545), (55, 505631), (77, 361165), (85, 327173), (119, 233695), (187, 148715), (245, 113509), (385, 72233), (539, 51595), (595, 46739), (607, 45815), (833, 33385), (935, 29743), (1309, 21245), (2695, 10319), (3035, 9163), (4165, 6677), (4249, 6545)]