23799915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 20779893

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 587, 765, 795, 901, 1761, 2385, 2703, 2935, 4505, 5283, 8109, 8805, 9979, 13515, 26415, 29937, 31111, 40545, 49895, 89811, 93333, 149685, 155555, 279999, 449055, 466665, 528887, 1399995, 1586661, 2644435, 4759983, 7933305, 23799915]

約数ペア:

[(1, 23799915), (3, 7933305), (5, 4759983), (9, 2644435), (15, 1586661), (17, 1399995), (45, 528887), (51, 466665), (53, 449055), (85, 279999), (153, 155555), (159, 149685), (255, 93333), (265, 89811), (477, 49895), (587, 40545), (765, 31111), (795, 29937), (901, 26415), (1761, 13515), (2385, 9979), (2703, 8805), (2935, 8109), (4505, 5283)]