9975015

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 32

約数和(自身を含む): 18221760

約数和(自身を除く): 8246745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 1997, 4995, 5991, 9985, 17973, 29955, 53919, 73889, 89865, 221667, 269595, 369445, 665001, 1108335, 1995003, 3325005, 9975015]

約数ペア:

[(1, 9975015), (3, 3325005), (5, 1995003), (9, 1108335), (15, 665001), (27, 369445), (37, 269595), (45, 221667), (111, 89865), (135, 73889), (185, 53919), (333, 29955), (555, 17973), (999, 9985), (1665, 5991), (1997, 4995)]