17892819

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 31286528

約数和(自身を除く): 13393709

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 157, 189, 201, 243, 469, 471, 567, 603, 1099, 1407, 1413, 1701, 1809, 3297, 4221, 4239, 5427, 9891, 10519, 12663, 12717, 16281, 29673, 31557, 37989, 38151, 73633, 89019, 94671, 113967, 220899, 267057, 284013, 662697, 852039, 1988091, 2556117, 5964273, 17892819]

約数ペア:

[(1, 17892819), (3, 5964273), (7, 2556117), (9, 1988091), (21, 852039), (27, 662697), (63, 284013), (67, 267057), (81, 220899), (157, 113967), (189, 94671), (201, 89019), (243, 73633), (469, 38151), (471, 37989), (567, 31557), (603, 29673), (1099, 16281), (1407, 12717), (1413, 12663), (1701, 10519), (1809, 9891), (3297, 5427), (4221, 4239)]