11645775

素因数分解:

$3^8\times 5^2\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 54

約数和(自身を含む): 21965112

約数和(自身を除く): 10319337

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 243, 355, 405, 639, 675, 729, 1065, 1215, 1775, 1917, 2025, 2187, 3195, 3645, 5325, 5751, 6075, 6561, 9585, 10935, 15975, 17253, 18225, 28755, 32805, 47925, 51759, 54675, 86265, 143775, 155277, 164025, 258795, 431325, 465831, 776385, 1293975, 2329155, 3881925, 11645775]

約数ペア:

[(1, 11645775), (3, 3881925), (5, 2329155), (9, 1293975), (15, 776385), (25, 465831), (27, 431325), (45, 258795), (71, 164025), (75, 155277), (81, 143775), (135, 86265), (213, 54675), (225, 51759), (243, 47925), (355, 32805), (405, 28755), (639, 18225), (675, 17253), (729, 15975), (1065, 10935), (1215, 9585), (1775, 6561), (1917, 6075), (2025, 5751), (2187, 5325), (3195, 3645)]