4021095

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 7342272

約数和(自身を除く): 3321177

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 1213, 3315, 3639, 6065, 15769, 18195, 20621, 47307, 61863, 78845, 103105, 236535, 268073, 309315, 804219, 1340365, 4021095]

約数ペア:

[(1, 4021095), (3, 1340365), (5, 804219), (13, 309315), (15, 268073), (17, 236535), (39, 103105), (51, 78845), (65, 61863), (85, 47307), (195, 20621), (221, 18195), (255, 15769), (663, 6065), (1105, 3639), (1213, 3315)]