209867295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3312

約数の個数: 64

約数和(自身を含む): 404849664

約数和(自身を除く): 194982369

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3253, 3795, 4301, 5865, 9759, 12903, 16265, 21505, 35783, 48795, 55301, 64515, 74819, 107349, 165903, 178915, 224457, 276505, 374095, 536745, 608311, 823009, 829515, 1122285, 1271923, 1824933, 2469027, 3041555, 3815769, 4115045, 6359615, 9124665, 12345135, 13991153, 19078845, 41973459, 69955765, 209867295]

約数ペア:

[(1, 209867295), (3, 69955765), (5, 41973459), (11, 19078845), (15, 13991153), (17, 12345135), (23, 9124665), (33, 6359615), (51, 4115045), (55, 3815769), (69, 3041555), (85, 2469027), (115, 1824933), (165, 1271923), (187, 1122285), (253, 829515), (255, 823009), (345, 608311), (391, 536745), (561, 374095), (759, 276505), (935, 224457), (1173, 178915), (1265, 165903), (1955, 107349), (2805, 74819), (3253, 64515), (3795, 55301), (4301, 48795), (5865, 35783), (9759, 21505), (12903, 16265)]