206511921

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{42571}}^1$

素因数の和:42602

約数の個数: 36

約数和(自身を含む): 378550224

約数和(自身を除く): 172038303

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 42571, 127713, 297997, 383139, 468281, 893991, 1404843, 2085979, 2681973, 3277967, 4214529, 6257937, 9833901, 18773811, 22945769, 29501703, 68837307, 206511921]

約数ペア:

[(1, 206511921), (3, 68837307), (7, 29501703), (9, 22945769), (11, 18773811), (21, 9833901), (33, 6257937), (49, 4214529), (63, 3277967), (77, 2681973), (99, 2085979), (147, 1404843), (231, 893991), (441, 468281), (539, 383139), (693, 297997), (1617, 127713), (4851, 42571)]