209440983

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{6263}}^1$

素因数の和:6494

約数の個数: 16

約数和(自身を含む): 285037056

約数和(自身を除く): 75596073

約数列:

[1, 3, 71, 157, 213, 471, 6263, 11147, 18789, 33441, 444673, 983291, 1334019, 2949873, 69813661, 209440983]

約数ペア:

[(1, 209440983), (3, 69813661), (71, 2949873), (157, 1334019), (213, 983291), (471, 444673), (6263, 33441), (11147, 18789)]