217232253

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11159}}^1$

素因数の和:11278

約数の個数: 32

約数和(自身を含む): 371404800

約数和(自身を除く): 154172547

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 6489, 11159, 19467, 33477, 78113, 100431, 234339, 301293, 703017, 1149377, 2109051, 3448131, 8045639, 10344393, 24136917, 31033179, 72410751, 217232253]

約数ペア:

[(1, 217232253), (3, 72410751), (7, 31033179), (9, 24136917), (21, 10344393), (27, 8045639), (63, 3448131), (103, 2109051), (189, 1149377), (309, 703017), (721, 301293), (927, 234339), (2163, 100431), (2781, 78113), (6489, 33477), (11159, 19467)]