12591243

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 22347520

約数和(自身を除く): 9756277

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 157, 171, 201, 399, 469, 471, 603, 1099, 1197, 1273, 1407, 1413, 2983, 3297, 3819, 4221, 8911, 8949, 9891, 10519, 11457, 20881, 26733, 26847, 31557, 62643, 73633, 80199, 94671, 187929, 199861, 220899, 599583, 662697, 1399027, 1798749, 4197081, 12591243]

約数ペア:

[(1, 12591243), (3, 4197081), (7, 1798749), (9, 1399027), (19, 662697), (21, 599583), (57, 220899), (63, 199861), (67, 187929), (133, 94671), (157, 80199), (171, 73633), (201, 62643), (399, 31557), (469, 26847), (471, 26733), (603, 20881), (1099, 11457), (1197, 10519), (1273, 9891), (1407, 8949), (1413, 8911), (2983, 4221), (3297, 3819)]