281330301

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3109}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 445849600

約数和(自身を除く): 164519299

約数列:

[1, 3, 7, 21, 31, 93, 139, 217, 417, 651, 973, 2919, 3109, 4309, 9327, 12927, 21763, 30163, 65289, 90489, 96379, 289137, 432151, 674653, 1296453, 2023959, 3025057, 9075171, 13396681, 40190043, 93776767, 281330301]

約数ペア:

[(1, 281330301), (3, 93776767), (7, 40190043), (21, 13396681), (31, 9075171), (93, 3025057), (139, 2023959), (217, 1296453), (417, 674653), (651, 432151), (973, 289137), (2919, 96379), (3109, 90489), (4309, 65289), (9327, 30163), (12927, 21763)]