211325877

素因数分解:

$3^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{2111}}^1$

素因数の和:2358

約数の個数: 36

約数和(自身を含む): 356818176

約数和(自身を除く): 145492299

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 227, 441, 681, 1589, 2043, 2111, 4767, 6333, 11123, 14301, 14777, 18999, 33369, 44331, 100107, 103439, 132993, 310317, 479197, 930951, 1437591, 3354379, 4312773, 10063137, 23480653, 30189411, 70441959, 211325877]

約数ペア:

[(1, 211325877), (3, 70441959), (7, 30189411), (9, 23480653), (21, 10063137), (49, 4312773), (63, 3354379), (147, 1437591), (227, 930951), (441, 479197), (681, 310317), (1589, 132993), (2043, 103439), (2111, 100107), (4767, 44331), (6333, 33369), (11123, 18999), (14301, 14777)]