20131531749

素因数分解:

$3^4\times 7^1\times {\mathrm{499}}^1\times {\mathrm{71153}}^1$

素因数の和:71671

約数の個数: 40

約数和(自身を含む): 34438536000

約数和(自身を除く): 14307004251

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 499, 567, 1497, 3493, 4491, 10479, 13473, 31437, 40419, 71153, 94311, 213459, 282933, 498071, 640377, 1494213, 1921131, 4482639, 5763393, 13447917, 35505347, 40343751, 106516041, 248537429, 319548123, 745612287, 958644369, 2236836861, 2875933107, 6710510583, 20131531749]

約数ペア:

[(1, 20131531749), (3, 6710510583), (7, 2875933107), (9, 2236836861), (21, 958644369), (27, 745612287), (63, 319548123), (81, 248537429), (189, 106516041), (499, 40343751), (567, 35505347), (1497, 13447917), (3493, 5763393), (4491, 4482639), (10479, 1921131), (13473, 1494213), (31437, 640377), (40419, 498071), (71153, 282933), (94311, 213459)]