1382355

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2751840

約数和(自身を除く): 1369485

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 139, 153, 195, 221, 255, 417, 585, 663, 695, 765, 1105, 1251, 1807, 1989, 2085, 2363, 3315, 5421, 6255, 7089, 9035, 9945, 11815, 16263, 21267, 27105, 30719, 35445, 81315, 92157, 106335, 153595, 276471, 460785, 1382355]

約数ペア:

[(1, 1382355), (3, 460785), (5, 276471), (9, 153595), (13, 106335), (15, 92157), (17, 81315), (39, 35445), (45, 30719), (51, 27105), (65, 21267), (85, 16263), (117, 11815), (139, 9945), (153, 9035), (195, 7089), (221, 6255), (255, 5421), (417, 3315), (585, 2363), (663, 2085), (695, 1989), (765, 1807), (1105, 1251)]