207777255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{104149}}^1$

素因数の和:104183

約数の個数: 32

約数和(自身を含む): 399936000

約数和(自身を除く): 192158745

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 104149, 312447, 520745, 729043, 1562235, 1978831, 2187129, 3645215, 5936493, 9894155, 10935645, 13851817, 29682465, 41555451, 69259085, 207777255]

約数ペア:

[(1, 207777255), (3, 69259085), (5, 41555451), (7, 29682465), (15, 13851817), (19, 10935645), (21, 9894155), (35, 5936493), (57, 3645215), (95, 2187129), (105, 1978831), (133, 1562235), (285, 729043), (399, 520745), (665, 312447), (1995, 104149)]