661569363

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89753}}^1$

素因数の和:89785

約数の個数: 40

約数和(自身を含む): 1216346208

約数和(自身を除く): 554776845

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 89753, 269259, 628271, 807777, 1166789, 1884813, 2423331, 3500367, 5654439, 7269993, 8167523, 10501101, 16963317, 24502569, 31503303, 50889951, 73507707, 94509909, 220523121, 661569363]

約数ペア:

[(1, 661569363), (3, 220523121), (7, 94509909), (9, 73507707), (13, 50889951), (21, 31503303), (27, 24502569), (39, 16963317), (63, 10501101), (81, 8167523), (91, 7269993), (117, 5654439), (189, 3500367), (273, 2423331), (351, 1884813), (567, 1166789), (819, 807777), (1053, 628271), (2457, 269259), (7371, 89753)]