2490201

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 36

約数和(自身を含む): 4348032

約数和(自身を除く): 1857831

約数列:

[1, 3, 7, 9, 21, 29, 47, 63, 87, 141, 203, 261, 329, 423, 609, 841, 987, 1363, 1827, 2523, 2961, 4089, 5887, 7569, 9541, 12267, 17661, 28623, 39527, 52983, 85869, 118581, 276689, 355743, 830067, 2490201]

約数ペア:

[(1, 2490201), (3, 830067), (7, 355743), (9, 276689), (21, 118581), (29, 85869), (47, 52983), (63, 39527), (87, 28623), (141, 17661), (203, 12267), (261, 9541), (329, 7569), (423, 5887), (609, 4089), (841, 2961), (987, 2523), (1363, 1827)]