251273178

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:533

約数の個数: 80

約数和(自身を含む): 610083936

約数和(自身を除く): 358810758

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 491, 702, 729, 982, 1053, 1458, 1473, 2106, 2187, 2946, 3159, 4374, 4419, 6318, 6383, 6561, 8838, 9477, 12766, 13122, 13257, 18954, 19149, 19683, 26514, 28431, 38298, 39366, 39771, 56862, 57447, 79542, 85293, 114894, 119313, 170586, 172341, 238626, 255879, 344682, 357939, 511758, 517023, 715878, 1034046, 1073817, 1551069, 2147634, 3102138, 3221451, 4653207, 6442902, 9306414, 9664353, 13959621, 19328706, 27919242, 41878863, 83757726, 125636589, 251273178]

約数ペア:

[(1, 251273178), (2, 125636589), (3, 83757726), (6, 41878863), (9, 27919242), (13, 19328706), (18, 13959621), (26, 9664353), (27, 9306414), (39, 6442902), (54, 4653207), (78, 3221451), (81, 3102138), (117, 2147634), (162, 1551069), (234, 1073817), (243, 1034046), (351, 715878), (486, 517023), (491, 511758), (702, 357939), (729, 344682), (982, 255879), (1053, 238626), (1458, 172341), (1473, 170586), (2106, 119313), (2187, 114894), (2946, 85293), (3159, 79542), (4374, 57447), (4419, 56862), (6318, 39771), (6383, 39366), (6561, 38298), (8838, 28431), (9477, 26514), (12766, 19683), (13122, 19149), (13257, 18954)]