861639009

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 1468661760

約数和(自身を除く): 607022751

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 191, 231, 331, 413, 573, 649, 993, 1239, 1337, 1947, 2101, 2317, 3641, 4011, 4543, 6303, 6951, 10923, 11269, 13629, 14707, 19529, 25487, 33807, 44121, 58587, 63221, 76461, 78883, 123959, 136703, 189663, 214819, 236649, 371877, 410109, 442547, 644457, 695431, 867713, 1327641, 1503733, 2086293, 2603139, 3730039, 4511199, 4868017, 11190117, 14604051, 26110273, 41030429, 78330819, 123091287, 287213003, 861639009]

約数ペア:

[(1, 861639009), (3, 287213003), (7, 123091287), (11, 78330819), (21, 41030429), (33, 26110273), (59, 14604051), (77, 11190117), (177, 4868017), (191, 4511199), (231, 3730039), (331, 2603139), (413, 2086293), (573, 1503733), (649, 1327641), (993, 867713), (1239, 695431), (1337, 644457), (1947, 442547), (2101, 410109), (2317, 371877), (3641, 236649), (4011, 214819), (4543, 189663), (6303, 136703), (6951, 123959), (10923, 78883), (11269, 76461), (13629, 63221), (14707, 58587), (19529, 44121), (25487, 33807)]