16510905

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 31852800

約数和(自身を除く): 15341895

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 157, 171, 205, 285, 369, 471, 513, 615, 779, 785, 855, 1107, 1413, 1845, 2337, 2355, 2565, 2983, 3895, 4239, 5535, 6437, 7011, 7065, 8949, 11685, 14915, 19311, 21033, 21195, 26847, 32185, 35055, 44745, 57933, 80541, 96555, 105165, 122303, 134235, 173799, 289665, 366909, 402705, 611515, 868995, 1100727, 1834545, 3302181, 5503635, 16510905]

約数ペア:

[(1, 16510905), (3, 5503635), (5, 3302181), (9, 1834545), (15, 1100727), (19, 868995), (27, 611515), (41, 402705), (45, 366909), (57, 289665), (95, 173799), (123, 134235), (135, 122303), (157, 105165), (171, 96555), (205, 80541), (285, 57933), (369, 44745), (471, 35055), (513, 32185), (615, 26847), (779, 21195), (785, 21033), (855, 19311), (1107, 14915), (1413, 11685), (1845, 8949), (2337, 7065), (2355, 7011), (2565, 6437), (2983, 5535), (3895, 4239)]