9979389

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 18148800

約数和(自身を除く): 8169411

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 397, 399, 441, 513, 931, 1191, 1197, 1323, 2779, 2793, 3573, 3591, 7543, 8337, 8379, 10719, 19453, 22629, 25011, 25137, 52801, 58359, 67887, 75033, 158403, 175077, 203661, 369607, 475209, 525231, 1108821, 1425627, 3326463, 9979389]

約数ペア:

[(1, 9979389), (3, 3326463), (7, 1425627), (9, 1108821), (19, 525231), (21, 475209), (27, 369607), (49, 203661), (57, 175077), (63, 158403), (133, 75033), (147, 67887), (171, 58359), (189, 52801), (397, 25137), (399, 25011), (441, 22629), (513, 19453), (931, 10719), (1191, 8379), (1197, 8337), (1323, 7543), (2779, 3591), (2793, 3573)]