305855487

素因数分解:

$3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{7129}}^1$

素因数の和:7372

約数の個数: 32

約数和(自身を含む): 520204800

約数和(自身を除く): 214349313

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 227, 681, 1589, 2043, 4767, 6129, 7129, 14301, 21387, 42903, 49903, 64161, 149709, 192483, 449127, 1347381, 1618283, 4854849, 11327981, 14564547, 33983943, 43693641, 101951829, 305855487]

約数ペア:

[(1, 305855487), (3, 101951829), (7, 43693641), (9, 33983943), (21, 14564547), (27, 11327981), (63, 4854849), (189, 1618283), (227, 1347381), (681, 449127), (1589, 192483), (2043, 149709), (4767, 64161), (6129, 49903), (7129, 42903), (14301, 21387)]