16871715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 35193600

約数和(自身を除く): 18321885

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 2819, 5985, 8457, 14095, 19733, 25371, 42285, 53561, 59199, 98665, 126855, 160683, 177597, 267805, 295995, 374927, 482049, 803415, 887985, 1124781, 1874635, 2410245, 3374343, 5623905, 16871715]

約数ペア:

[(1, 16871715), (3, 5623905), (5, 3374343), (7, 2410245), (9, 1874635), (15, 1124781), (19, 887985), (21, 803415), (35, 482049), (45, 374927), (57, 295995), (63, 267805), (95, 177597), (105, 160683), (133, 126855), (171, 98665), (285, 59199), (315, 53561), (399, 42285), (665, 25371), (855, 19733), (1197, 14095), (1995, 8457), (2819, 5985)]