28233513

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 51397632

約数和(自身を除く): 23164119

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 131, 231, 311, 393, 693, 917, 933, 1179, 1441, 2177, 2751, 2799, 3421, 4323, 6531, 8253, 10087, 10263, 12969, 19593, 23947, 30261, 30789, 40741, 71841, 90783, 122223, 215523, 285187, 366669, 448151, 855561, 1344453, 2566683, 3137057, 4033359, 9411171, 28233513]

約数ペア:

[(1, 28233513), (3, 9411171), (7, 4033359), (9, 3137057), (11, 2566683), (21, 1344453), (33, 855561), (63, 448151), (77, 366669), (99, 285187), (131, 215523), (231, 122223), (311, 90783), (393, 71841), (693, 40741), (917, 30789), (933, 30261), (1179, 23947), (1441, 19593), (2177, 12969), (2751, 10263), (2799, 10087), (3421, 8253), (4323, 6531)]