247487751

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 466836480

約数和(自身を除く): 219348729

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 119, 153, 161, 189, 197, 207, 289, 357, 391, 459, 483, 591, 621, 867, 1071, 1173, 1379, 1449, 1773, 2023, 2601, 2737, 3213, 3349, 3519, 4137, 4347, 4531, 5319, 6069, 6647, 7803, 8211, 10047, 10557, 12411, 13593, 18207, 19941, 23443, 24633, 30141, 31717, 37233, 40779, 46529, 54621, 56933, 59823, 70329, 73899, 77027, 90423, 95151, 122337, 139587, 170799, 179469, 210987, 231081, 285453, 398531, 418761, 512397, 539189, 632961, 693243, 856359, 1195593, 1256283, 1309459, 1537191, 1617567, 2079729, 3586779, 3928377, 4852701, 9166213, 10760337, 11785131, 14558103, 27498639, 35355393, 82495917, 247487751]

約数ペア:

[(1, 247487751), (3, 82495917), (7, 35355393), (9, 27498639), (17, 14558103), (21, 11785131), (23, 10760337), (27, 9166213), (51, 4852701), (63, 3928377), (69, 3586779), (119, 2079729), (153, 1617567), (161, 1537191), (189, 1309459), (197, 1256283), (207, 1195593), (289, 856359), (357, 693243), (391, 632961), (459, 539189), (483, 512397), (591, 418761), (621, 398531), (867, 285453), (1071, 231081), (1173, 210987), (1379, 179469), (1449, 170799), (1773, 139587), (2023, 122337), (2601, 95151), (2737, 90423), (3213, 77027), (3349, 73899), (3519, 70329), (4137, 59823), (4347, 56933), (4531, 54621), (5319, 46529), (6069, 40779), (6647, 37233), (7803, 31717), (8211, 30141), (10047, 24633), (10557, 23443), (12411, 19941), (13593, 18207)]