6481215

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 12522048

約数和(自身を除く): 6040833

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1231, 1755, 3693, 5265, 6155, 11079, 16003, 18465, 33237, 48009, 55395, 80015, 99711, 144027, 166185, 240045, 432081, 498555, 720135, 1296243, 2160405, 6481215]

約数ペア:

[(1, 6481215), (3, 2160405), (5, 1296243), (9, 720135), (13, 498555), (15, 432081), (27, 240045), (39, 166185), (45, 144027), (65, 99711), (81, 80015), (117, 55395), (135, 48009), (195, 33237), (351, 18465), (405, 16003), (585, 11079), (1053, 6155), (1231, 5265), (1755, 3693)]