42212421

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{16811}}^1$

素因数の和:16854

約数の個数: 20

約数和(自身を含む): 65096064

約数和(自身を除く): 22883643

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 16811, 50433, 151299, 453897, 521141, 1361691, 1563423, 4690269, 14070807, 42212421]

約数ペア:

[(1, 42212421), (3, 14070807), (9, 4690269), (27, 1563423), (31, 1361691), (81, 521141), (93, 453897), (279, 151299), (837, 50433), (2511, 16811)]