28034811

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 47530704

約数和(自身を除く): 19495893

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 421, 441, 453, 1057, 1263, 1359, 2947, 3171, 3789, 7399, 8841, 9513, 20629, 22197, 26523, 61887, 63571, 66591, 185661, 190713, 444997, 572139, 1334991, 3114979, 4004973, 9344937, 28034811]

約数ペア:

[(1, 28034811), (3, 9344937), (7, 4004973), (9, 3114979), (21, 1334991), (49, 572139), (63, 444997), (147, 190713), (151, 185661), (421, 66591), (441, 63571), (453, 61887), (1057, 26523), (1263, 22197), (1359, 20629), (2947, 9513), (3171, 8841), (3789, 7399)]