81120438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1231}}^1$

素因数の和:1769

約数の個数: 48

約数和(自身を含む): 201417216

約数和(自身を除く): 120296778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 523, 1046, 1231, 1569, 2462, 3138, 3661, 3693, 4707, 7322, 7386, 8617, 9414, 10983, 11079, 17234, 21966, 22158, 25851, 32949, 51702, 65898, 77553, 155106, 643813, 1287626, 1931439, 3862878, 4506691, 5794317, 9013382, 11588634, 13520073, 27040146, 40560219, 81120438]

約数ペア:

[(1, 81120438), (2, 40560219), (3, 27040146), (6, 13520073), (7, 11588634), (9, 9013382), (14, 5794317), (18, 4506691), (21, 3862878), (42, 1931439), (63, 1287626), (126, 643813), (523, 155106), (1046, 77553), (1231, 65898), (1569, 51702), (2462, 32949), (3138, 25851), (3661, 22158), (3693, 21966), (4707, 17234), (7322, 11079), (7386, 10983), (8617, 9414)]