638703039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{1091}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 973050624

約数和(自身を除く): 334347585

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 883, 1091, 2649, 3273, 11479, 14183, 15011, 18547, 34437, 42549, 45033, 55641, 195143, 241111, 585429, 723333, 963353, 2890059, 12523589, 16377001, 37570767, 49131003, 212901013, 638703039]

約数ペア:

[(1, 638703039), (3, 212901013), (13, 49131003), (17, 37570767), (39, 16377001), (51, 12523589), (221, 2890059), (663, 963353), (883, 723333), (1091, 585429), (2649, 241111), (3273, 195143), (11479, 55641), (14183, 45033), (15011, 42549), (18547, 34437)]