217876911

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4289}}^1$

素因数の和:4399

約数の個数: 32

約数和(自身を含む): 345945600

約数和(自身を除く): 128068689

約数列:

[1, 3, 7, 21, 41, 59, 123, 177, 287, 413, 861, 1239, 2419, 4289, 7257, 12867, 16933, 30023, 50799, 90069, 175849, 253051, 527547, 759153, 1230943, 1771357, 3692829, 5314071, 10375091, 31125273, 72625637, 217876911]

約数ペア:

[(1, 217876911), (3, 72625637), (7, 31125273), (21, 10375091), (41, 5314071), (59, 3692829), (123, 1771357), (177, 1230943), (287, 759153), (413, 527547), (861, 253051), (1239, 175849), (2419, 90069), (4289, 50799), (7257, 30023), (12867, 16933)]