31680306

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{251431}}^1$

素因数の和:251446

約数の個数: 24

約数和(自身を含む): 78446784

約数和(自身を除く): 46766478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 251431, 502862, 754293, 1508586, 1760017, 2262879, 3520034, 4525758, 5280051, 10560102, 15840153, 31680306]

約数ペア:

[(1, 31680306), (2, 15840153), (3, 10560102), (6, 5280051), (7, 4525758), (9, 3520034), (14, 2262879), (18, 1760017), (21, 1508586), (42, 754293), (63, 502862), (126, 251431)]