263864445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{2111}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 455583744

約数和(自身を除く): 191719299

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 641, 1923, 2111, 3205, 6333, 8333, 9615, 10555, 24999, 27443, 31665, 41665, 82329, 124995, 137215, 411645, 1353151, 4059453, 6765755, 17590963, 20297265, 52772889, 87954815, 263864445]

約数ペア:

[(1, 263864445), (3, 87954815), (5, 52772889), (13, 20297265), (15, 17590963), (39, 6765755), (65, 4059453), (195, 1353151), (641, 411645), (1923, 137215), (2111, 124995), (3205, 82329), (6333, 41665), (8333, 31665), (9615, 27443), (10555, 24999)]