210553497

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15991}}^1$

素因数の和:16034

約数の個数: 48

約数和(自身を含む): 399160320

約数和(自身を除く): 188606823

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 15991, 47973, 111937, 143919, 175901, 303829, 335811, 527703, 911487, 1007433, 1231307, 1583109, 2126803, 2734461, 3342119, 3693921, 6380409, 10026357, 11081763, 19141227, 23394833, 30079071, 70184499, 210553497]

約数ペア:

[(1, 210553497), (3, 70184499), (7, 30079071), (9, 23394833), (11, 19141227), (19, 11081763), (21, 10026357), (33, 6380409), (57, 3693921), (63, 3342119), (77, 2734461), (99, 2126803), (133, 1583109), (171, 1231307), (209, 1007433), (231, 911487), (399, 527703), (627, 335811), (693, 303829), (1197, 175901), (1463, 143919), (1881, 111937), (4389, 47973), (13167, 15991)]