30086721

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 52504320

約数和(自身を除く): 22417599

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1129, 1269, 2961, 3387, 3807, 7903, 8883, 10161, 23709, 26649, 30483, 53063, 71127, 91449, 159189, 213381, 371441, 477567, 640143, 1114323, 1432701, 3342969, 4298103, 10028907, 30086721]

約数ペア:

[(1, 30086721), (3, 10028907), (7, 4298103), (9, 3342969), (21, 1432701), (27, 1114323), (47, 640143), (63, 477567), (81, 371441), (141, 213381), (189, 159189), (329, 91449), (423, 71127), (567, 53063), (987, 30483), (1129, 26649), (1269, 23709), (2961, 10161), (3387, 8883), (3807, 7903)]