71386455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7639}}^1$

素因数の和:7743

約数の個数: 32

約数和(自身を含む): 132019200

約数和(自身を除く): 60632745

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 3115, 7639, 9345, 22917, 38195, 53473, 114585, 160419, 267365, 679871, 802095, 2039613, 3399355, 4759097, 10198065, 14277291, 23795485, 71386455]

約数ペア:

[(1, 71386455), (3, 23795485), (5, 14277291), (7, 10198065), (15, 4759097), (21, 3399355), (35, 2039613), (89, 802095), (105, 679871), (267, 267365), (445, 160419), (623, 114585), (1335, 53473), (1869, 38195), (3115, 22917), (7639, 9345)]