221553243

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 356928000

約数和(自身を除く): 135374757

約数列:

[1, 3, 9, 19, 29, 43, 57, 87, 129, 171, 261, 387, 551, 817, 1039, 1247, 1653, 2451, 3117, 3741, 4959, 7353, 9351, 11223, 19741, 23693, 30131, 44677, 59223, 71079, 90393, 134031, 177669, 213237, 271179, 402093, 572489, 848863, 1295633, 1717467, 2546589, 3886899, 5152401, 7639767, 11660697, 24617027, 73851081, 221553243]

約数ペア:

[(1, 221553243), (3, 73851081), (9, 24617027), (19, 11660697), (29, 7639767), (43, 5152401), (57, 3886899), (87, 2546589), (129, 1717467), (171, 1295633), (261, 848863), (387, 572489), (551, 402093), (817, 271179), (1039, 213237), (1247, 177669), (1653, 134031), (2451, 90393), (3117, 71079), (3741, 59223), (4959, 44677), (7353, 30131), (9351, 23693), (11223, 19741)]