12809895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6455

約数の個数: 32

約数和(自身を含む): 24660480

約数和(自身を除く): 11850585

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 6421, 19263, 32105, 44947, 96315, 121999, 134841, 224735, 365997, 609995, 674205, 853993, 1829985, 2561979, 4269965, 12809895]

約数ペア:

[(1, 12809895), (3, 4269965), (5, 2561979), (7, 1829985), (15, 853993), (19, 674205), (21, 609995), (35, 365997), (57, 224735), (95, 134841), (105, 121999), (133, 96315), (285, 44947), (399, 32105), (665, 19263), (1995, 6421)]