203917839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 301999104

約数和(自身を除く): 98081265

約数列:

[1, 3, 17, 23, 51, 69, 263, 391, 661, 789, 1173, 1983, 4471, 6049, 11237, 13413, 15203, 18147, 33711, 45609, 102833, 173843, 258451, 308499, 521529, 775353, 2955331, 3998389, 8865993, 11995167, 67972613, 203917839]

約数ペア:

[(1, 203917839), (3, 67972613), (17, 11995167), (23, 8865993), (51, 3998389), (69, 2955331), (263, 775353), (391, 521529), (661, 308499), (789, 258451), (1173, 173843), (1983, 102833), (4471, 45609), (6049, 33711), (11237, 18147), (13413, 15203)]