2303721

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 40

約数和(自身を含む): 4181760

約数和(自身を除く): 1878039

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 239, 357, 459, 567, 717, 1071, 1377, 1673, 2151, 3213, 4063, 5019, 6453, 9639, 12189, 15057, 19359, 28441, 36567, 45171, 85323, 109701, 135513, 255969, 329103, 767907, 2303721]

約数ペア:

[(1, 2303721), (3, 767907), (7, 329103), (9, 255969), (17, 135513), (21, 109701), (27, 85323), (51, 45171), (63, 36567), (81, 28441), (119, 19359), (153, 15057), (189, 12189), (239, 9639), (357, 6453), (459, 5019), (567, 4063), (717, 3213), (1071, 2151), (1377, 1673)]