2021621823

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{17471}}^1$

素因数の和:17556

約数の個数: 48

約数和(自身を含む): 3357978624

約数和(自身を除く): 1336356801

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 117, 129, 207, 299, 387, 559, 897, 989, 1677, 2691, 2967, 5031, 8901, 12857, 17471, 38571, 52413, 115713, 157239, 227123, 401833, 681369, 751253, 1205499, 2044107, 2253759, 3616497, 5223829, 6761277, 9766289, 15671487, 17278819, 29298867, 47014461, 51836457, 87896601, 155509371, 224624647, 673873941, 2021621823]

約数ペア:

[(1, 2021621823), (3, 673873941), (9, 224624647), (13, 155509371), (23, 87896601), (39, 51836457), (43, 47014461), (69, 29298867), (117, 17278819), (129, 15671487), (207, 9766289), (299, 6761277), (387, 5223829), (559, 3616497), (897, 2253759), (989, 2044107), (1677, 1205499), (2691, 751253), (2967, 681369), (5031, 401833), (8901, 227123), (12857, 157239), (17471, 115713), (38571, 52413)]