42725781

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 73801728

約数和(自身を除く): 31075947

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 131, 167, 217, 279, 393, 501, 651, 917, 1169, 1179, 1503, 1953, 2751, 3507, 4061, 5177, 8253, 10521, 12183, 15531, 21877, 28427, 36239, 36549, 46593, 65631, 85281, 108717, 153139, 196893, 255843, 326151, 459417, 678187, 1378251, 2034561, 4747309, 6103683, 14241927, 42725781]

約数ペア:

[(1, 42725781), (3, 14241927), (7, 6103683), (9, 4747309), (21, 2034561), (31, 1378251), (63, 678187), (93, 459417), (131, 326151), (167, 255843), (217, 196893), (279, 153139), (393, 108717), (501, 85281), (651, 65631), (917, 46593), (1169, 36549), (1179, 36239), (1503, 28427), (1953, 21877), (2751, 15531), (3507, 12183), (4061, 10521), (5177, 8253)]