206863125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{15761}}^1$

素因数の和:15791

約数の個数: 40

約数和(自身を含む): 393923904

約数和(自身を除く): 187060779

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1875, 2625, 4375, 13125, 15761, 47283, 78805, 110327, 236415, 330981, 394025, 551635, 1182075, 1654905, 1970125, 2758175, 5910375, 8274525, 9850625, 13790875, 29551875, 41372625, 68954375, 206863125]

約数ペア:

[(1, 206863125), (3, 68954375), (5, 41372625), (7, 29551875), (15, 13790875), (21, 9850625), (25, 8274525), (35, 5910375), (75, 2758175), (105, 1970125), (125, 1654905), (175, 1182075), (375, 551635), (525, 394025), (625, 330981), (875, 236415), (1875, 110327), (2625, 78805), (4375, 47283), (13125, 15761)]