216879009

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{3671}}^1$

素因数の和:4140

約数の個数: 16

約数和(自身を含む): 296110080

約数和(自身を除く): 79231071

約数列:

[1, 3, 47, 141, 419, 1257, 3671, 11013, 19693, 59079, 172537, 517611, 1538149, 4614447, 72293003, 216879009]

約数ペア:

[(1, 216879009), (3, 72293003), (47, 4614447), (141, 1538149), (419, 517611), (1257, 172537), (3671, 59079), (11013, 19693)]