221325318

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{57727}}^1$

素因数の和:57809

約数の個数: 32

約数和(自身を含む): 498769920

約数和(自身を除く): 277444602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 57727, 115454, 173181, 346362, 519543, 1039086, 1558629, 3117258, 4098617, 8197234, 12295851, 24591702, 36887553, 73775106, 110662659, 221325318]

約数ペア:

[(1, 221325318), (2, 110662659), (3, 73775106), (6, 36887553), (9, 24591702), (18, 12295851), (27, 8197234), (54, 4098617), (71, 3117258), (142, 1558629), (213, 1039086), (426, 519543), (639, 346362), (1278, 173181), (1917, 115454), (3834, 57727)]