721033326

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{342371}}^1$

素因数の和:342398

約数の個数: 40

約数和(自身を含む): 1739934504

約数和(自身を除く): 1018901178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 342371, 684742, 1027113, 2054226, 3081339, 4450823, 6162678, 8901646, 9244017, 13352469, 18488034, 26704938, 27732051, 40057407, 55464102, 80114814, 120172221, 240344442, 360516663, 721033326]

約数ペア:

[(1, 721033326), (2, 360516663), (3, 240344442), (6, 120172221), (9, 80114814), (13, 55464102), (18, 40057407), (26, 27732051), (27, 26704938), (39, 18488034), (54, 13352469), (78, 9244017), (81, 8901646), (117, 6162678), (162, 4450823), (234, 3081339), (351, 2054226), (702, 1027113), (1053, 684742), (2106, 342371)]