23959551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 19171329

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 103, 133, 159, 209, 231, 309, 371, 399, 583, 627, 721, 1007, 1113, 1133, 1463, 1749, 1957, 2163, 3021, 3399, 4081, 4389, 5459, 5871, 7049, 7931, 11077, 12243, 13699, 16377, 21147, 21527, 23793, 33231, 38213, 41097, 60049, 64581, 77539, 103721, 114639, 150689, 180147, 232617, 311163, 420343, 452067, 726047, 1140931, 1261029, 2178141, 3422793, 7986517, 23959551]

約数ペア:

[(1, 23959551), (3, 7986517), (7, 3422793), (11, 2178141), (19, 1261029), (21, 1140931), (33, 726047), (53, 452067), (57, 420343), (77, 311163), (103, 232617), (133, 180147), (159, 150689), (209, 114639), (231, 103721), (309, 77539), (371, 64581), (399, 60049), (583, 41097), (627, 38213), (721, 33231), (1007, 23793), (1113, 21527), (1133, 21147), (1463, 16377), (1749, 13699), (1957, 12243), (2163, 11077), (3021, 7931), (3399, 7049), (4081, 5871), (4389, 5459)]