25479951

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 16654449

約数列:

[1, 3, 7, 21, 29, 43, 49, 87, 129, 139, 147, 203, 301, 417, 609, 903, 973, 1247, 1421, 2107, 2919, 3741, 4031, 4263, 5977, 6321, 6811, 8729, 12093, 17931, 20433, 26187, 28217, 41839, 61103, 84651, 125517, 173333, 183309, 197519, 292873, 519999, 592557, 878619, 1213331, 3639993, 8493317, 25479951]

約数ペア:

[(1, 25479951), (3, 8493317), (7, 3639993), (21, 1213331), (29, 878619), (43, 592557), (49, 519999), (87, 292873), (129, 197519), (139, 183309), (147, 173333), (203, 125517), (301, 84651), (417, 61103), (609, 41839), (903, 28217), (973, 26187), (1247, 20433), (1421, 17931), (2107, 12093), (2919, 8729), (3741, 6811), (4031, 6321), (4263, 5977)]