1661580801

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 2531692800

約数和(自身を除く): 870111999

約数列:

[1, 3, 9, 41, 47, 123, 141, 149, 369, 423, 447, 643, 1341, 1927, 1929, 5781, 5787, 6109, 7003, 17343, 18327, 21009, 26363, 30221, 54981, 63027, 79089, 90663, 95807, 237267, 271989, 287123, 287421, 861369, 862263, 1239061, 2584107, 3717183, 3928087, 4502929, 11151549, 11784261, 13508787, 35352783, 40526361, 184620089, 553860267, 1661580801]

約数ペア:

[(1, 1661580801), (3, 553860267), (9, 184620089), (41, 40526361), (47, 35352783), (123, 13508787), (141, 11784261), (149, 11151549), (369, 4502929), (423, 3928087), (447, 3717183), (643, 2584107), (1341, 1239061), (1927, 862263), (1929, 861369), (5781, 287421), (5787, 287123), (6109, 271989), (7003, 237267), (17343, 95807), (18327, 90663), (21009, 79089), (26363, 63027), (30221, 54981)]