156978969

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23143}}^1$

素因数の和:23189

約数の個数: 32

約数和(自身を含む): 266618880

約数和(自身を除く): 109639911

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 23143, 69429, 162001, 393431, 439717, 486003, 1180293, 1319151, 2754017, 3078019, 7475189, 8262051, 9234057, 22425567, 52326323, 156978969]

約数ペア:

[(1, 156978969), (3, 52326323), (7, 22425567), (17, 9234057), (19, 8262051), (21, 7475189), (51, 3078019), (57, 2754017), (119, 1319151), (133, 1180293), (323, 486003), (357, 439717), (399, 393431), (969, 162001), (2261, 69429), (6783, 23143)]