220969215

素因数分解:

$3^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1619}}^1$

素因数の和:1973

約数の個数: 40

約数和(自身を含む): 397528560

約数和(自身を除く): 176559345

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 337, 405, 1011, 1619, 1685, 3033, 4857, 5055, 8095, 9099, 14571, 15165, 24285, 27297, 43713, 45495, 72855, 131139, 136485, 218565, 545603, 655695, 1636809, 2728015, 4910427, 8184045, 14731281, 24552135, 44193843, 73656405, 220969215]

約数ペア:

[(1, 220969215), (3, 73656405), (5, 44193843), (9, 24552135), (15, 14731281), (27, 8184045), (45, 4910427), (81, 2728015), (135, 1636809), (337, 655695), (405, 545603), (1011, 218565), (1619, 136485), (1685, 131139), (3033, 72855), (4857, 45495), (5055, 43713), (8095, 27297), (9099, 24285), (14571, 15165)]