12721995

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 13889205

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 659, 715, 1287, 1485, 1755, 1977, 2145, 3295, 3861, 5931, 6435, 7249, 8567, 9885, 17793, 19305, 21747, 25701, 29655, 36245, 42835, 65241, 77103, 88965, 94237, 108735, 128505, 195723, 231309, 282711, 326205, 385515, 471185, 848133, 978615, 1156545, 1413555, 2544399, 4240665, 12721995]

約数ペア:

[(1, 12721995), (3, 4240665), (5, 2544399), (9, 1413555), (11, 1156545), (13, 978615), (15, 848133), (27, 471185), (33, 385515), (39, 326205), (45, 282711), (55, 231309), (65, 195723), (99, 128505), (117, 108735), (135, 94237), (143, 88965), (165, 77103), (195, 65241), (297, 42835), (351, 36245), (429, 29655), (495, 25701), (585, 21747), (659, 19305), (715, 17793), (1287, 9885), (1485, 8567), (1755, 7249), (1977, 6435), (2145, 5931), (3295, 3861)]