290659761

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1217}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 510741504

約数和(自身を除く): 220081743

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 223, 357, 669, 1071, 1217, 1561, 2007, 3651, 3791, 4683, 8519, 10953, 11373, 14049, 20689, 25557, 26537, 34119, 62067, 76671, 79611, 144823, 186201, 238833, 271391, 434469, 814173, 1303407, 1899737, 2442519, 4613647, 5699211, 13840941, 17097633, 32295529, 41522823, 96886587, 290659761]

約数ペア:

[(1, 290659761), (3, 96886587), (7, 41522823), (9, 32295529), (17, 17097633), (21, 13840941), (51, 5699211), (63, 4613647), (119, 2442519), (153, 1899737), (223, 1303407), (357, 814173), (669, 434469), (1071, 271391), (1217, 238833), (1561, 186201), (2007, 144823), (3651, 79611), (3791, 76671), (4683, 62067), (8519, 34119), (10953, 26537), (11373, 25557), (14049, 20689)]