1280454915

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1\times {\mathrm{1747}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 2071086336

約数和(自身を除く): 790631421

約数列:

[1, 3, 5, 15, 131, 373, 393, 655, 1119, 1747, 1865, 1965, 5241, 5595, 8735, 26205, 48863, 146589, 228857, 244315, 651631, 686571, 732945, 1144285, 1954893, 3258155, 3432855, 9774465, 85363661, 256090983, 426818305, 1280454915]

約数ペア:

[(1, 1280454915), (3, 426818305), (5, 256090983), (15, 85363661), (131, 9774465), (373, 3432855), (393, 3258155), (655, 1954893), (1119, 1144285), (1747, 732945), (1865, 686571), (1965, 651631), (5241, 244315), (5595, 228857), (8735, 146589), (26205, 48863)]