27800199

素因数分解:

$3^3\times 7^2\times {\mathrm{21013}}^1$

素因数の和:21036

約数の個数: 24

約数和(自身を含む): 47911920

約数和(自身を除く): 20111721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21013, 63039, 147091, 189117, 441273, 567351, 1029637, 1323819, 3088911, 3971457, 9266733, 27800199]

約数ペア:

[(1, 27800199), (3, 9266733), (7, 3971457), (9, 3088911), (21, 1323819), (27, 1029637), (49, 567351), (63, 441273), (147, 189117), (189, 147091), (441, 63039), (1323, 21013)]