279344385

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2579}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 507124800

約数和(自身を除く): 227780415

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 249, 261, 415, 435, 747, 1245, 1305, 2407, 2579, 3735, 7221, 7737, 12035, 12895, 21663, 23211, 36105, 38685, 74791, 108315, 116055, 214057, 224373, 373955, 642171, 673119, 1070285, 1121865, 1926513, 3210855, 3365595, 6207653, 9632565, 18622959, 31038265, 55868877, 93114795, 279344385]

約数ペア:

[(1, 279344385), (3, 93114795), (5, 55868877), (9, 31038265), (15, 18622959), (29, 9632565), (45, 6207653), (83, 3365595), (87, 3210855), (145, 1926513), (249, 1121865), (261, 1070285), (415, 673119), (435, 642171), (747, 373955), (1245, 224373), (1305, 214057), (2407, 116055), (2579, 108315), (3735, 74791), (7221, 38685), (7737, 36105), (12035, 23211), (12895, 21663)]