30721212

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2027}}^1$

素因数の和:2458

約数の個数: 36

約数和(自身を含む): 77879256

約数和(自身を除く): 47158044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2027, 2526, 3789, 4054, 5052, 6081, 7578, 8108, 12162, 15156, 18243, 24324, 36486, 72972, 853367, 1706734, 2560101, 3413468, 5120202, 7680303, 10240404, 15360606, 30721212]

約数ペア:

[(1, 30721212), (2, 15360606), (3, 10240404), (4, 7680303), (6, 5120202), (9, 3413468), (12, 2560101), (18, 1706734), (36, 853367), (421, 72972), (842, 36486), (1263, 24324), (1684, 18243), (2027, 15156), (2526, 12162), (3789, 8108), (4054, 7578), (5052, 6081)]