12955785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 23400576

約数和(自身を除く): 10444791

約数列:

[1, 3, 5, 15, 17, 23, 47, 51, 69, 85, 115, 141, 235, 255, 345, 391, 705, 799, 1081, 1173, 1955, 2209, 2397, 3243, 3995, 5405, 5865, 6627, 11045, 11985, 16215, 18377, 33135, 37553, 50807, 55131, 91885, 112659, 152421, 187765, 254035, 275655, 563295, 762105, 863719, 2591157, 4318595, 12955785]

約数ペア:

[(1, 12955785), (3, 4318595), (5, 2591157), (15, 863719), (17, 762105), (23, 563295), (47, 275655), (51, 254035), (69, 187765), (85, 152421), (115, 112659), (141, 91885), (235, 55131), (255, 50807), (345, 37553), (391, 33135), (705, 18377), (799, 16215), (1081, 11985), (1173, 11045), (1955, 6627), (2209, 5865), (2397, 5405), (3243, 3995)]