279990387

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{2357}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 412725456

約数和(自身を除く): 132735069

約数列:

[1, 3, 9, 67, 197, 201, 591, 603, 1773, 2357, 7071, 13199, 21213, 39597, 118791, 157919, 464329, 473757, 1392987, 1421271, 4178961, 31110043, 93330129, 279990387]

約数ペア:

[(1, 279990387), (3, 93330129), (9, 31110043), (67, 4178961), (197, 1421271), (201, 1392987), (591, 473757), (603, 464329), (1773, 157919), (2357, 118791), (7071, 39597), (13199, 21213)]