71221983

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 40752417

約数列:

[1, 3, 7, 21, 53, 89, 159, 267, 371, 623, 719, 1113, 1869, 2157, 4717, 5033, 14151, 15099, 33019, 38107, 63991, 99057, 114321, 191973, 266749, 447937, 800247, 1343811, 3391523, 10174569, 23740661, 71221983]

約数ペア:

[(1, 71221983), (3, 23740661), (7, 10174569), (21, 3391523), (53, 1343811), (89, 800247), (159, 447937), (267, 266749), (371, 191973), (623, 114321), (719, 99057), (1113, 63991), (1869, 38107), (2157, 33019), (4717, 15099), (5033, 14151)]