18587289

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 30597120

約数和(自身を除く): 12009831

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1327, 2001, 3981, 4669, 9289, 14007, 27867, 30521, 38483, 91563, 115449, 213647, 269381, 640941, 808143, 885109, 2655327, 6195763, 18587289]

約数ペア:

[(1, 18587289), (3, 6195763), (7, 2655327), (21, 885109), (23, 808143), (29, 640941), (69, 269381), (87, 213647), (161, 115449), (203, 91563), (483, 38483), (609, 30521), (667, 27867), (1327, 14007), (2001, 9289), (3981, 4669)]