2899995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 5391360

約数和(自身を除く): 2491365

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 389, 497, 1065, 1167, 1491, 1945, 2485, 2723, 5835, 7455, 8169, 13615, 27619, 40845, 82857, 138095, 193333, 414285, 579999, 966665, 2899995]

約数ペア:

[(1, 2899995), (3, 966665), (5, 579999), (7, 414285), (15, 193333), (21, 138095), (35, 82857), (71, 40845), (105, 27619), (213, 13615), (355, 8169), (389, 7455), (497, 5835), (1065, 2723), (1167, 2485), (1491, 1945)]