161858751

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3295

約数の個数: 32

約数和(自身を含む): 244062720

約数和(自身を除く): 82203969

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 391, 731, 989, 1173, 2193, 2967, 3209, 9627, 16813, 50439, 54553, 73807, 137987, 163659, 221421, 413961, 1254719, 2345779, 3173701, 3764157, 7037337, 9521103, 53952917, 161858751]

約数ペア:

[(1, 161858751), (3, 53952917), (17, 9521103), (23, 7037337), (43, 3764157), (51, 3173701), (69, 2345779), (129, 1254719), (391, 413961), (731, 221421), (989, 163659), (1173, 137987), (2193, 73807), (2967, 54553), (3209, 50439), (9627, 16813)]