211344987

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{18199}}^1$

素因数の和:18295

約数の個数: 24

約数和(自身を含む): 331968000

約数和(自身を除く): 120623013

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 18199, 54597, 127393, 382179, 891751, 1437721, 2675253, 4313163, 10064047, 30192141, 70448329, 211344987]

約数ペア:

[(1, 211344987), (3, 70448329), (7, 30192141), (21, 10064047), (49, 4313163), (79, 2675253), (147, 1437721), (237, 891751), (553, 382179), (1659, 127393), (3871, 54597), (11613, 18199)]