201221163

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 363404496

約数和(自身を除く): 162183333

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 289, 429, 541, 561, 663, 867, 1287, 1623, 1683, 1989, 2431, 2601, 3179, 3757, 4869, 5951, 7033, 7293, 9197, 9537, 11271, 17853, 21099, 21879, 27591, 28611, 33813, 41327, 53559, 63297, 77363, 82773, 101167, 119561, 123981, 156349, 232089, 303501, 358683, 371943, 469047, 696267, 910503, 1076049, 1315171, 1407141, 1719839, 2032537, 3945513, 5159517, 6097611, 11836539, 15478551, 18292833, 22357907, 67073721, 201221163]

約数ペア:

[(1, 201221163), (3, 67073721), (9, 22357907), (11, 18292833), (13, 15478551), (17, 11836539), (33, 6097611), (39, 5159517), (51, 3945513), (99, 2032537), (117, 1719839), (143, 1407141), (153, 1315171), (187, 1076049), (221, 910503), (289, 696267), (429, 469047), (541, 371943), (561, 358683), (663, 303501), (867, 232089), (1287, 156349), (1623, 123981), (1683, 119561), (1989, 101167), (2431, 82773), (2601, 77363), (3179, 63297), (3757, 53559), (4869, 41327), (5951, 33813), (7033, 28611), (7293, 27591), (9197, 21879), (9537, 21099), (11271, 17853)]