205907715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{673}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 385668192

約数和(自身を除く): 179760477

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 523, 585, 673, 1569, 2019, 2615, 3365, 4707, 6057, 6799, 7845, 8749, 10095, 20397, 23535, 26247, 30285, 33995, 43745, 61191, 78741, 101985, 131235, 305955, 351979, 393705, 1055937, 1759895, 3167811, 4575727, 5279685, 13727181, 15839055, 22878635, 41181543, 68635905, 205907715]

約数ペア:

[(1, 205907715), (3, 68635905), (5, 41181543), (9, 22878635), (13, 15839055), (15, 13727181), (39, 5279685), (45, 4575727), (65, 3167811), (117, 1759895), (195, 1055937), (523, 393705), (585, 351979), (673, 305955), (1569, 131235), (2019, 101985), (2615, 78741), (3365, 61191), (4707, 43745), (6057, 33995), (6799, 30285), (7845, 26247), (8749, 23535), (10095, 20397)]