11815209

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 20290816

約数和(自身を除く): 8475607

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 223, 261, 609, 669, 841, 1561, 1827, 2007, 2523, 4683, 5887, 6467, 7569, 14049, 17661, 19401, 45269, 52983, 58203, 135807, 187543, 407421, 562629, 1312801, 1687887, 3938403, 11815209]

約数ペア:

[(1, 11815209), (3, 3938403), (7, 1687887), (9, 1312801), (21, 562629), (29, 407421), (63, 187543), (87, 135807), (203, 58203), (223, 52983), (261, 45269), (609, 19401), (669, 17661), (841, 14049), (1561, 7569), (1827, 6467), (2007, 5887), (2523, 4683)]