2122191

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 3257280

約数和(自身を除く): 1135089

約数列:

[1, 3, 9, 29, 47, 87, 141, 173, 261, 423, 519, 1363, 1557, 4089, 5017, 8131, 12267, 15051, 24393, 45153, 73179, 235799, 707397, 2122191]

約数ペア:

[(1, 2122191), (3, 707397), (9, 235799), (29, 73179), (47, 45153), (87, 24393), (141, 15051), (173, 12267), (261, 8131), (423, 5017), (519, 4089), (1363, 1557)]