161513787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 233824320

約数和(自身を除く): 72310533

約数列:

[1, 3, 17, 51, 61, 183, 193, 269, 579, 807, 1037, 3111, 3281, 4573, 9843, 11773, 13719, 16409, 35319, 49227, 51917, 155751, 200141, 278953, 600423, 836859, 882589, 2647767, 3166937, 9500811, 53837929, 161513787]

約数ペア:

[(1, 161513787), (3, 53837929), (17, 9500811), (51, 3166937), (61, 2647767), (183, 882589), (193, 836859), (269, 600423), (579, 278953), (807, 200141), (1037, 155751), (3111, 51917), (3281, 49227), (4573, 35319), (9843, 16409), (11773, 13719)]