16639155

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 33600000

約数和(自身を除く): 16960845

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 499, 513, 585, 741, 855, 1235, 1497, 1755, 2223, 2495, 2565, 3705, 4491, 6487, 6669, 7485, 9481, 11115, 13473, 19461, 22455, 28443, 32435, 33345, 47405, 58383, 67365, 85329, 97305, 123253, 142215, 175149, 255987, 291915, 369759, 426645, 616265, 875745, 1109277, 1279935, 1848795, 3327831, 5546385, 16639155]

約数ペア:

[(1, 16639155), (3, 5546385), (5, 3327831), (9, 1848795), (13, 1279935), (15, 1109277), (19, 875745), (27, 616265), (39, 426645), (45, 369759), (57, 291915), (65, 255987), (95, 175149), (117, 142215), (135, 123253), (171, 97305), (195, 85329), (247, 67365), (285, 58383), (351, 47405), (499, 33345), (513, 32435), (585, 28443), (741, 22455), (855, 19461), (1235, 13473), (1497, 11115), (1755, 9481), (2223, 7485), (2495, 6669), (2565, 6487), (3705, 4491)]