13090905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 24373440

約数和(自身を除く): 11282535

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 251, 285, 305, 549, 753, 855, 915, 1159, 1255, 2259, 2745, 3477, 3765, 4769, 5795, 10431, 11295, 14307, 15311, 17385, 23845, 42921, 45933, 52155, 71535, 76555, 137799, 214605, 229665, 290909, 688995, 872727, 1454545, 2618181, 4363635, 13090905]

約数ペア:

[(1, 13090905), (3, 4363635), (5, 2618181), (9, 1454545), (15, 872727), (19, 688995), (45, 290909), (57, 229665), (61, 214605), (95, 137799), (171, 76555), (183, 71535), (251, 52155), (285, 45933), (305, 42921), (549, 23845), (753, 17385), (855, 15311), (915, 14307), (1159, 11295), (1255, 10431), (2259, 5795), (2745, 4769), (3477, 3765)]