2305251

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 4062240

約数和(自身を除く): 1756989

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 61, 117, 153, 171, 183, 221, 247, 323, 549, 663, 741, 793, 969, 1037, 1159, 1989, 2223, 2379, 2907, 3111, 3477, 4199, 7137, 9333, 10431, 12597, 13481, 15067, 19703, 37791, 40443, 45201, 59109, 121329, 135603, 177327, 256139, 768417, 2305251]

約数ペア:

[(1, 2305251), (3, 768417), (9, 256139), (13, 177327), (17, 135603), (19, 121329), (39, 59109), (51, 45201), (57, 40443), (61, 37791), (117, 19703), (153, 15067), (171, 13481), (183, 12597), (221, 10431), (247, 9333), (323, 7137), (549, 4199), (663, 3477), (741, 3111), (793, 2907), (969, 2379), (1037, 2223), (1159, 1989)]