253055985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2767}}^1$

素因数の和:2862

約数の個数: 64

約数和(自身を含む): 505946112

約数和(自身を除く): 252890127

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 67, 91, 105, 195, 201, 273, 335, 455, 469, 871, 1005, 1365, 1407, 2345, 2613, 2767, 4355, 6097, 7035, 8301, 13065, 13835, 18291, 19369, 30485, 35971, 41505, 58107, 91455, 96845, 107913, 179855, 185389, 251797, 290535, 539565, 556167, 755391, 926945, 1258985, 1297723, 2410057, 2780835, 3776955, 3893169, 6488615, 7230171, 12050285, 16870399, 19465845, 36150855, 50611197, 84351995, 253055985]

約数ペア:

[(1, 253055985), (3, 84351995), (5, 50611197), (7, 36150855), (13, 19465845), (15, 16870399), (21, 12050285), (35, 7230171), (39, 6488615), (65, 3893169), (67, 3776955), (91, 2780835), (105, 2410057), (195, 1297723), (201, 1258985), (273, 926945), (335, 755391), (455, 556167), (469, 539565), (871, 290535), (1005, 251797), (1365, 185389), (1407, 179855), (2345, 107913), (2613, 96845), (2767, 91455), (4355, 58107), (6097, 41505), (7035, 35971), (8301, 30485), (13065, 19369), (13835, 18291)]