1121445

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 2201472

約数和(自身を除く): 1080027

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 81, 117, 135, 195, 213, 243, 351, 355, 405, 585, 639, 923, 1053, 1065, 1215, 1755, 1917, 2769, 3159, 3195, 4615, 5265, 5751, 8307, 9585, 13845, 15795, 17253, 24921, 28755, 41535, 74763, 86265, 124605, 224289, 373815, 1121445]

約数ペア:

[(1, 1121445), (3, 373815), (5, 224289), (9, 124605), (13, 86265), (15, 74763), (27, 41535), (39, 28755), (45, 24921), (65, 17253), (71, 15795), (81, 13845), (117, 9585), (135, 8307), (195, 5751), (213, 5265), (243, 4615), (351, 3195), (355, 3159), (405, 2769), (585, 1917), (639, 1755), (923, 1215), (1053, 1065)]