12920595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 22851072

約数和(自身を除く): 9930477

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 2203, 5865, 6609, 11015, 33045, 37451, 50669, 112353, 152007, 187255, 253345, 561765, 760035, 861373, 2584119, 4306865, 12920595]

約数ペア:

[(1, 12920595), (3, 4306865), (5, 2584119), (15, 861373), (17, 760035), (23, 561765), (51, 253345), (69, 187255), (85, 152007), (115, 112353), (255, 50669), (345, 37451), (391, 33045), (1173, 11015), (1955, 6609), (2203, 5865)]