28232841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5485

約数の個数: 32

約数和(自身を含む): 48778240

約数和(自身を除く): 20545399

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 5443, 16329, 38101, 70759, 103417, 114303, 212277, 310251, 495313, 723919, 1344421, 1485939, 2171757, 4033263, 9410947, 28232841]

約数ペア:

[(1, 28232841), (3, 9410947), (7, 4033263), (13, 2171757), (19, 1485939), (21, 1344421), (39, 723919), (57, 495313), (91, 310251), (133, 212277), (247, 114303), (273, 103417), (399, 70759), (741, 38101), (1729, 16329), (5187, 5443)]