217428477

素因数分解:

$3^1\times 7^1\times {\mathrm{1667}}^1\times {\mathrm{6211}}^1$

素因数の和:7888

約数の個数: 16

約数和(自身を含む): 331571712

約数和(自身を除く): 114143235

約数列:

[1, 3, 7, 21, 1667, 5001, 6211, 11669, 18633, 35007, 43477, 130431, 10353737, 31061211, 72476159, 217428477]

約数ペア:

[(1, 217428477), (3, 72476159), (7, 31061211), (21, 10353737), (1667, 130431), (5001, 43477), (6211, 35007), (11669, 18633)]