661444407

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{3617}}^1$

素因数の和:4160

約数の個数: 32

約数和(自身を含む): 1057613760

約数和(自身を除く): 396169353

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 521, 1563, 3617, 4689, 6773, 10851, 14067, 20319, 32553, 47021, 60957, 97659, 141063, 182871, 423189, 1269567, 1884457, 5653371, 16960113, 24497941, 50880339, 73493823, 220481469, 661444407]

約数ペア:

[(1, 661444407), (3, 220481469), (9, 73493823), (13, 50880339), (27, 24497941), (39, 16960113), (117, 5653371), (351, 1884457), (521, 1269567), (1563, 423189), (3617, 182871), (4689, 141063), (6773, 97659), (10851, 60957), (14067, 47021), (20319, 32553)]