789631773

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1997}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 1268490240

約数和(自身を除く): 478858467

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 991, 1997, 2973, 5991, 6937, 13979, 18829, 20811, 37943, 41937, 56487, 113829, 131803, 265601, 395409, 796803, 1979027, 5937081, 13853189, 37601513, 41559567, 112804539, 263210591, 789631773]

約数ペア:

[(1, 789631773), (3, 263210591), (7, 112804539), (19, 41559567), (21, 37601513), (57, 13853189), (133, 5937081), (399, 1979027), (991, 796803), (1997, 395409), (2973, 265601), (5991, 131803), (6937, 113829), (13979, 56487), (18829, 41937), (20811, 37943)]