209829759

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4447

約数の個数: 32

約数和(自身を含む): 316721664

約数和(自身を除く): 106891905

約数列:

[1, 3, 17, 23, 41, 51, 69, 123, 391, 697, 943, 1173, 2091, 2829, 4363, 13089, 16031, 48093, 74171, 100349, 178883, 222513, 301047, 536649, 1705933, 3041011, 4114309, 5117799, 9123033, 12342927, 69943253, 209829759]

約数ペア:

[(1, 209829759), (3, 69943253), (17, 12342927), (23, 9123033), (41, 5117799), (51, 4114309), (69, 3041011), (123, 1705933), (391, 536649), (697, 301047), (943, 222513), (1173, 178883), (2091, 100349), (2829, 74171), (4363, 48093), (13089, 16031)]