242569257

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 398678400

約数和(自身を除く): 156109143

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 361, 399, 653, 931, 1029, 1083, 1959, 2527, 2793, 4571, 6517, 7581, 12407, 13713, 17689, 19551, 31997, 37221, 53067, 86849, 95991, 123823, 223979, 235733, 260547, 371469, 607943, 671937, 707199, 1650131, 1823829, 4255601, 4950393, 11550917, 12766803, 34652751, 80856419, 242569257]

約数ペア:

[(1, 242569257), (3, 80856419), (7, 34652751), (19, 12766803), (21, 11550917), (49, 4950393), (57, 4255601), (133, 1823829), (147, 1650131), (343, 707199), (361, 671937), (399, 607943), (653, 371469), (931, 260547), (1029, 235733), (1083, 223979), (1959, 123823), (2527, 95991), (2793, 86849), (4571, 53067), (6517, 37221), (7581, 31997), (12407, 19551), (13713, 17689)]