212490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{787}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 567360

約数和(自身を除く): 354870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 787, 1574, 2361, 3935, 4722, 7083, 7870, 11805, 14166, 21249, 23610, 35415, 42498, 70830, 106245, 212490]

約数ペア:

[(1, 212490), (2, 106245), (3, 70830), (5, 42498), (6, 35415), (9, 23610), (10, 21249), (15, 14166), (18, 11805), (27, 7870), (30, 7083), (45, 4722), (54, 3935), (90, 2361), (135, 1574), (270, 787)]