28779597

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 54067200

約数和(自身を除く): 25287603

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 109, 127, 189, 231, 297, 327, 381, 693, 763, 889, 981, 1143, 1199, 1397, 2079, 2289, 2667, 2943, 3429, 3597, 4191, 6867, 8001, 8393, 9779, 10791, 12573, 13843, 20601, 24003, 25179, 29337, 32373, 37719, 41529, 75537, 88011, 96901, 124587, 152273, 226611, 264033, 290703, 373761, 456819, 872109, 1065911, 1370457, 2616327, 3197733, 4111371, 9593199, 28779597]

約数ペア:

[(1, 28779597), (3, 9593199), (7, 4111371), (9, 3197733), (11, 2616327), (21, 1370457), (27, 1065911), (33, 872109), (63, 456819), (77, 373761), (99, 290703), (109, 264033), (127, 226611), (189, 152273), (231, 124587), (297, 96901), (327, 88011), (381, 75537), (693, 41529), (763, 37719), (889, 32373), (981, 29337), (1143, 25179), (1199, 24003), (1397, 20601), (2079, 13843), (2289, 12573), (2667, 10791), (2943, 9779), (3429, 8393), (3597, 8001), (4191, 6867)]