13281855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1607}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 23155200

約数和(自身を除く): 9873345

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1607, 1653, 2755, 4821, 8035, 8265, 24105, 30533, 46603, 91599, 139809, 152665, 233015, 457995, 699045, 885457, 2656371, 4427285, 13281855]

約数ペア:

[(1, 13281855), (3, 4427285), (5, 2656371), (15, 885457), (19, 699045), (29, 457995), (57, 233015), (87, 152665), (95, 139809), (145, 91599), (285, 46603), (435, 30533), (551, 24105), (1607, 8265), (1653, 8035), (2755, 4821)]