27782685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 27928035

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 801, 991, 1335, 1869, 2973, 3115, 4005, 4955, 5607, 6937, 8919, 9345, 14865, 20811, 28035, 34685, 44595, 62433, 88199, 104055, 264597, 312165, 440995, 617393, 793791, 1322985, 1852179, 3086965, 3968955, 5556537, 9260895, 27782685]

約数ペア:

[(1, 27782685), (3, 9260895), (5, 5556537), (7, 3968955), (9, 3086965), (15, 1852179), (21, 1322985), (35, 793791), (45, 617393), (63, 440995), (89, 312165), (105, 264597), (267, 104055), (315, 88199), (445, 62433), (623, 44595), (801, 34685), (991, 28035), (1335, 20811), (1869, 14865), (2973, 9345), (3115, 8919), (4005, 6937), (4955, 5607)]