64874295

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 120126240

約数和(自身を除く): 55251945

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 137, 153, 255, 411, 619, 685, 765, 1233, 1857, 2055, 2329, 3095, 5571, 6165, 6987, 9285, 10523, 11645, 20961, 27855, 31569, 34935, 52615, 84803, 94707, 104805, 157845, 254409, 424015, 473535, 763227, 1272045, 1441651, 3816135, 4324953, 7208255, 12974859, 21624765, 64874295]

約数ペア:

[(1, 64874295), (3, 21624765), (5, 12974859), (9, 7208255), (15, 4324953), (17, 3816135), (45, 1441651), (51, 1272045), (85, 763227), (137, 473535), (153, 424015), (255, 254409), (411, 157845), (619, 104805), (685, 94707), (765, 84803), (1233, 52615), (1857, 34935), (2055, 31569), (2329, 27855), (3095, 20961), (5571, 11645), (6165, 10523), (6987, 9285)]