161331555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139681}}^1$

素因数の和:139707

約数の個数: 32

約数和(自身を含む): 321827328

約数和(自身を除く): 160495773

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 139681, 419043, 698405, 977767, 1536491, 2095215, 2933301, 4609473, 4888835, 7682455, 10755437, 14666505, 23047365, 32266311, 53777185, 161331555]

約数ペア:

[(1, 161331555), (3, 53777185), (5, 32266311), (7, 23047365), (11, 14666505), (15, 10755437), (21, 7682455), (33, 4888835), (35, 4609473), (55, 2933301), (77, 2095215), (105, 1536491), (165, 977767), (231, 698405), (385, 419043), (1155, 139681)]