212820549

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 301056000

約数和(自身を除く): 88235451

約数列:

[1, 3, 31, 79, 83, 93, 237, 249, 349, 1047, 2449, 2573, 6557, 7347, 7719, 10819, 19671, 27571, 28967, 32457, 82713, 86901, 203267, 609801, 854701, 897977, 2288393, 2564103, 2693931, 6865179, 70940183, 212820549]

約数ペア:

[(1, 212820549), (3, 70940183), (31, 6865179), (79, 2693931), (83, 2564103), (93, 2288393), (237, 897977), (249, 854701), (349, 609801), (1047, 203267), (2449, 86901), (2573, 82713), (6557, 32457), (7347, 28967), (7719, 27571), (10819, 19671)]