289128537

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 466532352

約数和(自身を除く): 177403815

約数列:

[1, 3, 9, 17, 31, 47, 51, 93, 141, 153, 279, 423, 527, 799, 1297, 1457, 1581, 2397, 3891, 4371, 4743, 7191, 11673, 13113, 22049, 24769, 40207, 60959, 66147, 74307, 120621, 182877, 198441, 222921, 361863, 548631, 683519, 1036303, 1889729, 2050557, 3108909, 5669187, 6151671, 9326727, 17007561, 32125393, 96376179, 289128537]

約数ペア:

[(1, 289128537), (3, 96376179), (9, 32125393), (17, 17007561), (31, 9326727), (47, 6151671), (51, 5669187), (93, 3108909), (141, 2050557), (153, 1889729), (279, 1036303), (423, 683519), (527, 548631), (799, 361863), (1297, 222921), (1457, 198441), (1581, 182877), (2397, 120621), (3891, 74307), (4371, 66147), (4743, 60959), (7191, 40207), (11673, 24769), (13113, 22049)]