420377283

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{37337}}^1$

素因数の和:37488

約数の個数: 20

約数和(自身を含む): 632505720

約数和(自身を除く): 212128437

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 37337, 112011, 336033, 1008099, 3024297, 5189843, 15569529, 46708587, 140125761, 420377283]

約数ペア:

[(1, 420377283), (3, 140125761), (9, 46708587), (27, 15569529), (81, 5189843), (139, 3024297), (417, 1008099), (1251, 336033), (3753, 112011), (11259, 37337)]