42879369

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 63705600

約数和(自身を除く): 20826231

約数列:

[1, 3, 13, 39, 47, 141, 149, 157, 447, 471, 611, 1833, 1937, 2041, 5811, 6123, 7003, 7379, 21009, 22137, 23393, 70179, 91039, 95927, 273117, 287781, 304109, 912327, 1099471, 3298413, 14293123, 42879369]

約数ペア:

[(1, 42879369), (3, 14293123), (13, 3298413), (39, 1099471), (47, 912327), (141, 304109), (149, 287781), (157, 273117), (447, 95927), (471, 91039), (611, 70179), (1833, 23393), (1937, 22137), (2041, 21009), (5811, 7379), (6123, 7003)]