15206121

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 54

約数和(自身を含む): 27107262

約数和(自身を除く): 11901141

約数列:

[1, 3, 7, 9, 21, 29, 41, 49, 63, 87, 123, 147, 203, 261, 287, 369, 441, 609, 841, 861, 1189, 1421, 1827, 2009, 2523, 2583, 3567, 4263, 5887, 6027, 7569, 8323, 10701, 12789, 17661, 18081, 24969, 34481, 41209, 52983, 58261, 74907, 103443, 123627, 174783, 241367, 310329, 370881, 524349, 724101, 1689569, 2172303, 5068707, 15206121]

約数ペア:

[(1, 15206121), (3, 5068707), (7, 2172303), (9, 1689569), (21, 724101), (29, 524349), (41, 370881), (49, 310329), (63, 241367), (87, 174783), (123, 123627), (147, 103443), (203, 74907), (261, 58261), (287, 52983), (369, 41209), (441, 34481), (609, 24969), (841, 18081), (861, 17661), (1189, 12789), (1421, 10701), (1827, 8323), (2009, 7569), (2523, 6027), (2583, 5887), (3567, 4263)]