260840223

素因数分解:

$3^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2417}}^1$

素因数の和:3004

約数の個数: 32

約数和(自身を含む): 442590720

約数和(自身を除く): 181750497

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 571, 1713, 2417, 3997, 5139, 7251, 11991, 15417, 16919, 21753, 35973, 50757, 65259, 107919, 152271, 456813, 1380107, 4140321, 9660749, 12420963, 28982247, 37262889, 86946741, 260840223]

約数ペア:

[(1, 260840223), (3, 86946741), (7, 37262889), (9, 28982247), (21, 12420963), (27, 9660749), (63, 4140321), (189, 1380107), (571, 456813), (1713, 152271), (2417, 107919), (3997, 65259), (5139, 50757), (7251, 35973), (11991, 21753), (15417, 16919)]