720135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 1345344

約数和(自身を除く): 625209

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1231, 3693, 6155, 11079, 16003, 18465, 48009, 55395, 80015, 144027, 240045, 720135]

約数ペア:

[(1, 720135), (3, 240045), (5, 144027), (9, 80015), (13, 55395), (15, 48009), (39, 18465), (45, 16003), (65, 11079), (117, 6155), (195, 3693), (585, 1231)]