639341799

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1367}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 907739136

約数和(自身を除く): 268397337

約数列:

[1, 3, 31, 47, 93, 107, 141, 321, 1367, 1457, 3317, 4101, 4371, 5029, 9951, 15087, 42377, 64249, 127131, 146269, 155899, 192747, 438807, 467697, 1991719, 4534339, 5975157, 6874643, 13603017, 20623929, 213113933, 639341799]

約数ペア:

[(1, 639341799), (3, 213113933), (31, 20623929), (47, 13603017), (93, 6874643), (107, 5975157), (141, 4534339), (321, 1991719), (1367, 467697), (1457, 438807), (3317, 192747), (4101, 155899), (4371, 146269), (5029, 127131), (9951, 64249), (15087, 42377)]