639280512003

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1602206797}}^1$

素因数の和:1602206826

約数の個数: 16

約数和(自身を含む): 1025412350720

約数和(自身を除く): 386131838717

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1602206797, 4806620391, 11215447579, 30441929143, 33646342737, 91325787429, 213093504001, 639280512003]

約数ペア:

[(1, 639280512003), (3, 213093504001), (7, 91325787429), (19, 33646342737), (21, 30441929143), (57, 11215447579), (133, 4806620391), (399, 1602206797)]