259656489

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 422400000

約数和(自身を除く): 162743511

約数列:

[1, 3, 9, 19, 27, 43, 57, 79, 129, 149, 171, 237, 387, 447, 513, 711, 817, 1161, 1341, 1501, 2133, 2451, 2831, 3397, 4023, 4503, 6407, 7353, 8493, 10191, 11771, 13509, 19221, 22059, 25479, 30573, 35313, 40527, 57663, 64543, 76437, 91719, 105939, 121733, 172989, 193629, 223649, 317817, 365199, 506153, 580887, 670947, 1095597, 1518459, 1742661, 2012841, 3286791, 4555377, 6038523, 9616907, 13666131, 28850721, 86552163, 259656489]

約数ペア:

[(1, 259656489), (3, 86552163), (9, 28850721), (19, 13666131), (27, 9616907), (43, 6038523), (57, 4555377), (79, 3286791), (129, 2012841), (149, 1742661), (171, 1518459), (237, 1095597), (387, 670947), (447, 580887), (513, 506153), (711, 365199), (817, 317817), (1161, 223649), (1341, 193629), (1501, 172989), (2133, 121733), (2451, 105939), (2831, 91719), (3397, 76437), (4023, 64543), (4503, 57663), (6407, 40527), (7353, 35313), (8493, 30573), (10191, 25479), (11771, 22059), (13509, 19221)]