207298221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1637}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 317011968

約数和(自身を除く): 109713747

約数列:

[1, 3, 13, 17, 39, 51, 191, 221, 573, 663, 1637, 2483, 3247, 4911, 7449, 9741, 21281, 27829, 42211, 63843, 83487, 126633, 312667, 361777, 938001, 1085331, 4064671, 5315339, 12194013, 15946017, 69099407, 207298221]

約数ペア:

[(1, 207298221), (3, 69099407), (13, 15946017), (17, 12194013), (39, 5315339), (51, 4064671), (191, 1085331), (221, 938001), (573, 361777), (663, 312667), (1637, 126633), (2483, 83487), (3247, 63843), (4911, 42211), (7449, 27829), (9741, 21281)]