31189914

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 80044800

約数和(自身を除く): 48854886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 109, 126, 189, 218, 327, 378, 654, 757, 763, 981, 1514, 1526, 1962, 2271, 2289, 2943, 4542, 4578, 5299, 5886, 6813, 6867, 10598, 13626, 13734, 15897, 20439, 20601, 31794, 40878, 41202, 47691, 82513, 95382, 143073, 165026, 247539, 286146, 495078, 577591, 742617, 1155182, 1485234, 1732773, 2227851, 3465546, 4455702, 5198319, 10396638, 15594957, 31189914]

約数ペア:

[(1, 31189914), (2, 15594957), (3, 10396638), (6, 5198319), (7, 4455702), (9, 3465546), (14, 2227851), (18, 1732773), (21, 1485234), (27, 1155182), (42, 742617), (54, 577591), (63, 495078), (109, 286146), (126, 247539), (189, 165026), (218, 143073), (327, 95382), (378, 82513), (654, 47691), (757, 41202), (763, 40878), (981, 31794), (1514, 20601), (1526, 20439), (1962, 15897), (2271, 13734), (2289, 13626), (2943, 10598), (4542, 6867), (4578, 6813), (5299, 5886)]