1955421

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 3159520

約数和(自身を除く): 1204099

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 619, 1053, 1857, 3159, 5571, 8047, 16713, 24141, 50139, 72423, 150417, 217269, 651807, 1955421]

約数ペア:

[(1, 1955421), (3, 651807), (9, 217269), (13, 150417), (27, 72423), (39, 50139), (81, 24141), (117, 16713), (243, 8047), (351, 5571), (619, 3159), (1053, 1857)]