2992221

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 4939704

約数和(自身を除く): 1947483

約数列:

[1, 3, 9, 17, 27, 41, 51, 53, 81, 123, 153, 159, 369, 459, 477, 697, 901, 1107, 1377, 1431, 2091, 2173, 2703, 3321, 4293, 6273, 6519, 8109, 18819, 19557, 24327, 36941, 56457, 58671, 72981, 110823, 176013, 332469, 997407, 2992221]

約数ペア:

[(1, 2992221), (3, 997407), (9, 332469), (17, 176013), (27, 110823), (41, 72981), (51, 58671), (53, 56457), (81, 36941), (123, 24327), (153, 19557), (159, 18819), (369, 8109), (459, 6519), (477, 6273), (697, 4293), (901, 3321), (1107, 2703), (1377, 2173), (1431, 2091)]