289762407

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51349}}^1$

素因数の和:51388

約数の個数: 32

約数和(自身を含む): 492960000

約数和(自身を除く): 203197593

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643, 51349, 154047, 462141, 564839, 975631, 1386423, 1694517, 2926893, 5083551, 8780679, 10731941, 15250653, 26342037, 32195823, 96587469, 289762407]

約数ペア:

[(1, 289762407), (3, 96587469), (9, 32195823), (11, 26342037), (19, 15250653), (27, 10731941), (33, 8780679), (57, 5083551), (99, 2926893), (171, 1694517), (209, 1386423), (297, 975631), (513, 564839), (627, 462141), (1881, 154047), (5643, 51349)]