209207745

素因数分解:

$3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3391}}^1$

素因数の和:3862

約数の個数: 32

約数和(自身を含む): 372848640

約数和(自身を除く): 163640895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 457, 1371, 2285, 3391, 4113, 6855, 10173, 12339, 16955, 20565, 30519, 50865, 61695, 91557, 152595, 457785, 1549687, 4649061, 7748435, 13947183, 23245305, 41841549, 69735915, 209207745]

約数ペア:

[(1, 209207745), (3, 69735915), (5, 41841549), (9, 23245305), (15, 13947183), (27, 7748435), (45, 4649061), (135, 1549687), (457, 457785), (1371, 152595), (2285, 91557), (3391, 61695), (4113, 50865), (6855, 30519), (10173, 20565), (12339, 16955)]