56072781

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 90979200

約数和(自身を除く): 34906419

約数列:

[1, 3, 9, 19, 23, 53, 57, 69, 159, 171, 207, 269, 437, 477, 807, 1007, 1219, 1311, 2421, 3021, 3657, 3933, 5111, 6187, 9063, 10971, 14257, 15333, 18561, 23161, 42771, 45999, 55683, 69483, 117553, 128313, 208449, 270883, 327911, 352659, 812649, 983733, 1057977, 2437947, 2951199, 6230309, 18690927, 56072781]

約数ペア:

[(1, 56072781), (3, 18690927), (9, 6230309), (19, 2951199), (23, 2437947), (53, 1057977), (57, 983733), (69, 812649), (159, 352659), (171, 327911), (207, 270883), (269, 208449), (437, 128313), (477, 117553), (807, 69483), (1007, 55683), (1219, 45999), (1311, 42771), (2421, 23161), (3021, 18561), (3657, 15333), (3933, 14257), (5111, 10971), (6187, 9063)]