278300253

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1127

約数の個数: 64

約数和(自身を含む): 493056000

約数和(自身を除く): 214755747

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 343, 483, 539, 759, 1029, 1069, 1127, 1617, 1771, 3207, 3381, 3773, 5313, 7483, 7889, 11319, 11759, 12397, 22449, 23667, 24587, 35277, 37191, 52381, 73761, 82313, 86779, 157143, 172109, 246939, 260337, 270457, 366667, 516327, 576191, 811371, 1100001, 1204763, 1728573, 1893199, 3614289, 4033337, 5679597, 8433341, 12100011, 13252393, 25300023, 39757179, 92766751, 278300253]

約数ペア:

[(1, 278300253), (3, 92766751), (7, 39757179), (11, 25300023), (21, 13252393), (23, 12100011), (33, 8433341), (49, 5679597), (69, 4033337), (77, 3614289), (147, 1893199), (161, 1728573), (231, 1204763), (253, 1100001), (343, 811371), (483, 576191), (539, 516327), (759, 366667), (1029, 270457), (1069, 260337), (1127, 246939), (1617, 172109), (1771, 157143), (3207, 86779), (3381, 82313), (3773, 73761), (5313, 52381), (7483, 37191), (7889, 35277), (11319, 24587), (11759, 23667), (12397, 22449)]